Structural and Regulatory Framework of Excess Research and Development Credit Sharing in Massachusetts
Excess Research and Development credit sharing between members refers to the statutory mechanism allowing a corporate member of a Massachusetts combined group to apply its unused research credits against the excise tax liability of other taxable members within the same unitary business. This intra-group transfer optimizes the tax benefits of innovation by ensuring credits generated by research-intensive entities are not stranded in subsidiaries with insufficient tax appetite to absorb them. 1
The Massachusetts Research and Development (R&D) tax credit is an essential fiscal instrument designed to foster an environment of high-tech innovation, specialized employment, and substantial capital investment within the Commonwealth. Governed by the intricate provisions of Massachusetts General Laws (M.G.L.) Chapter 63, Section 38M, and further clarified by the Massachusetts Code of Regulations (830 CMR 63.38M.1 and 63.38M.2), this credit provides a robust reduction of corporate excise liability for qualifying activities performed within the state’s borders. 4 While the credit fundamentally mirrors the federal research credit structure established under Internal Revenue Code (IRC) Section 41, the Massachusetts framework introduces specific jurisdictional requirements and sharing protocols that necessitate a nuanced understanding for corporate tax compliance and strategic planning. 5 Central to this framework is the concept of “Excess Research and Development Credit (Transfer between members),” a mechanism that allows for the fluid utilization of tax assets within a combined reporting group, provided certain regulatory thresholds and limitations are meticulously observed. 3
The Evolution of Massachusetts Corporate Taxation and Credit Sharing
The ability to share R&D credits among affiliated corporations is a relatively modern development in the Massachusetts tax landscape, stemming from the 2008 legislative overhaul that introduced mandatory combined reporting for unitary businesses. Prior to 2009, Massachusetts generally adhered to a separate-entity reporting standard, which often led to tax inefficiencies where one profitable entity in a corporate hierarchy paid substantial excise while its R&D-heavy affiliate accumulated unusable credits. 1 The enactment of M.G.L. c. 63, § 32B fundamentally changed this paradigm by recognizing that a unitary business, despite being comprised of multiple legal entities, operates as a singular economic unit. 1
This legislative shift recognized that the separate identity of individual corporations should not impede the equitable assessment of their collective economic activity. Consequently, the law now requires certain corporations engaged in a unitary business to calculate their income on a combined basis, utilizing Form 355U. 11 Alongside the aggregation of income, the regulations established under 830 CMR 63.32B.2 provided the rules for the intra-group sharing of tax credits, including the R&D credit. 1 This “transfer” of credits is not a sale to third parties—which remains prohibited—but a strategic allocation of the group’s collective tax assets to satisfy the tax burdens of its individual taxable members. 5
The Unitary Business Principle and Common Ownership
The foundational requirement for credit sharing is the existence of a “unitary business” coupled with “common ownership.” Massachusetts defines common ownership as the direct or indirect control of more than 50% of the voting power of each member of the group. 1 Once this ownership threshold is met, the Department of Revenue (DOR) examines the operational relationship between the entities to determine if they constitute a unitary business. 1
| Ownership and Relationship Criteria | Statutory/Regulatory Definition |
| Common Ownership | More than 50% voting control, directly or indirectly. 10 |
| Unitary Business | Operations characterized by functional integration, centralization of management, and economies of scale. 1 |
| Combined Group | Two or more corporations related by common ownership engaged in a unitary business. 1 |
A combined report is a computational schedule required to be filed when a corporation subject to tax under M.G.L. c. 63 is engaged in a unitary business with one or more other corporations. 1 This reporting requirement is not dependent upon a showing of income distortion or a lack of arm’s-length pricing; it is a mandatory reflection of the group’s economic reality. 1 Within this combined report, the “excess” credit of one member becomes available to others, subject to specific utilization caps and reporting mandates. 2
Qualifying Research Expenses (QREs) and the Four-Part Test
Before a credit can be identified as “excess” and shared, it must be validly generated through Qualified Research Expenses (QREs). Massachusetts largely adopts the definitions provided in IRC § 41(b), but adds a strict geographical constraint: the research must be conducted within the Commonwealth of Massachusetts. 4
Components of QREs
QREs typically fall into four distinct categories of expenditure. To be eligible for the Massachusetts credit, these expenses must be incurred for research activity conducted in the state. 6
- Wages: Salaries and wages paid to employees directly involved in performing, supervising, or supporting qualified research. 6
- Supplies: Tangible property (other than land or improvements to land) consumed in the research process, such as prototype materials. 6
- Contract Research: 65% of the amounts paid to third parties for performing research on behalf of the taxpayer. 5
- Computer Rentals: Costs associated with the rental or lease of computers used in the conduct of qualified research. 6
The Four-Part Test for Activity Qualification
The DOR applies the federal “Four-Part Test” to determine if an activity constitutes qualified research. If an activity fails any part of this test, the associated expenses cannot be included in the credit calculation. 6
| Test Component | Requirement for Qualification |
| Permitted Purpose | The research must relate to a new or improved function, performance, reliability, or quality of a product or process. 6 |
| Technological in Nature | The research must fundamentally rely on principles of physical or biological sciences, engineering, or computer science. 6 |
| Elimination of Uncertainty | The taxpayer must intend to discover information that would eliminate uncertainty concerning the development or improvement of a business component. 6 |
| Process of Experimentation | Substantially all activities must constitute a process of experimentation involving the evaluation of alternatives through modeling, simulation, or systematic trial and error. 6 |
For taxpayers operating across state lines, Massachusetts requires a rigorous proration of expenses. If a service provider or property is used both inside and outside the Commonwealth, the expenses must be prorated based on the ratio of the number of days the service or property was employed in Massachusetts to the total number of days of employment. 13
Methodologies for Credit Calculation
Massachusetts provides taxpayers with two primary options for calculating the R&D credit: the Traditional (Regular) Method and the Alternative Simplified Method (ASM). The choice of method can significantly impact the amount of “excess” credit available for sharing within a combined group. 2
The Traditional (Regular) Method
Under the Traditional Method, the credit is the sum of two components: 10% of the excess of current-year Massachusetts QREs over a base amount, plus 15% of basic research payments made to qualified universities or nonprofit research organizations. 2
The “base amount” is a moving target calculated by multiplying the taxpayer’s “fixed-base ratio” by the average annual gross receipts for the four preceding years. To prevent the credit from applying to baseline research spending, the law mandates a “minimum base amount” of 50% of the current year’s QREs. 3
The Alternative Simplified Method (ASM)
Adopted to alleviate the administrative burden of tracking historical gross receipts and fixed-base ratios, the ASM allows for a more straightforward calculation. The credit is determined by taking a percentage of the amount by which current-year QREs exceed 50% of the average QREs for the three preceding taxable years. 2
| Historical Transition of ASM Rates | Rate Applied to Excess QREs | Effective Period |
| Initial Implementation | 5.0% | 2015 – 2017 2 |
| Mid-Term Adjustment | 7.5% | 2018 – 2020 2 |
| Current Standard | 10.0% | 2021 – Present 2 |
A critical constraint for combined groups is that the election of the ASM must be consistent across all members. If a taxpayer is required to calculate the research credit on an aggregated basis, all members must make the same election. 3
Defining the “Excess” Credit: Statutory Utilization Limits
The term “excess” in Massachusetts tax filings specifically refers to the portion of the R&D credit that cannot be used in the current year due to statutory caps on credit utilization. The credit is not an unlimited dollar-for-dollar offset against excise; rather, it is subject to a two-tiered limitation structure. 2
The $25,000 Threshold and the 75% Limitation
The most prominent restriction is the 75% rule. A corporation may use the research credit to offset:
- 100% of its first $25,000 in corporate excise liability.
- 75% of any corporate excise liability in excess of $25,000. 2
For example, if a corporation has a total excise liability of $125,000, the maximum credit it can utilize is calculated as follows:
- First $25,000 offset at 100%: $25,000.
- Remaining $100,000 offset at 75%: $75,000.
- Maximum Credit Utilization: $100,000.
- Minimum Excise Payable: $25,000.
Furthermore, the credit can never reduce a taxpayer’s liability below the statutory minimum excise, which is currently $456. 5
Shared Liability Caps in Combined Groups
In the context of a combined report, the $25,000 threshold is a group-wide asset. Corporations that are members of an aggregated group share a single $25,000 bracket that is not subject to the 75% limitation. 2 Each corporation is allowed a share of this bracket determined by the ratio of the corporation’s separately determined excise to the total for all members of the group. 3
| Member Entity | Separate Excise Liability | Calculation of Share | Allocated Threshold |
| Corp A | $150,000 | $(150k / 200k) \times 25k$ | $18,750 |
| Corp B | $50,000 | $(50k / 200k) \times 25k$ | $6,250 |
| Total | $200,000 | Total Group Bracket | $25,000 |
This allocation ensures that the group as a whole does not receive an unfair advantage by multiplying the $25,000 threshold across dozens of subsidiaries. 3
The Mechanism of Credit Sharing: 830 CMR 63.32B.2(9)
The actual “transfer” or sharing of credits is governed by the comprehensive rules found in Regulation 830 CMR 63.32B.2(9). These rules dictate which credits are eligible for sharing and the specific procedures that taxpayers must follow to validate the transfer. 1
The “Can-Generate-Can-Use” Test
A fundamental principle of credit sharing in Massachusetts is that a member may only use a shared credit if it would have been eligible to generate and use the credit itself under the provisions of M.G.L. c. 63 to which it is subject. 8 For example, a financial institution that is subject to the bank excise might have different eligibility criteria for certain credits than a manufacturing corporation subject to the business corporation excise. However, since the research credit under Section 38M is broadly available to all corporations subject to tax under M.G.L. c. 63, it is one of the most frequently shared credits. 6
Requirements for Sharing Credits
For a credit to be shared between members of a combined group, several conditions must be satisfied:
- Participation in a Combined Report: Both the contributing member (the entity that generated the credit) and the using member must be included in the same Massachusetts combined report (Form 355U). 1
- Unitary Business Origin: The credit must generally derive from the combined group’s unitary business. 8
- Post-2009 Generation (With Exceptions): In general, only credits generated in a tax year beginning on or after January 1, 2009, may be shared. However, the R&D credit (38M) and the Economic Opportunity Area Credit (38N) are specifically permitted to be shared even if they were generated in tax years prior to 2009. 8
- Order of Absorption: Taxpayers are generally required to use their own credits (those they generated themselves) before utilizing credits shared by other members. However, members are not required to follow a “Last-In, First-Out” (LIFO) approach when sharing credits from different years. A member can choose to share 2020 credits while keeping 2019 credits in carryover if the 2019 credits are of a type that cannot be shared. 8
Reporting and Documentation: The Role of Schedule CMS and U-CS
The Department of Revenue (DOR) requires precise reporting to track the movement of “excess” credits between group members. Failure to file the correct schedules or provide accurate certificate numbers (where applicable) can result in the disallowance of the shared credit. 8
Schedule CMS: The Credit Manager Schedule
Schedule CMS serves as the primary inventory and accounting tool for all tax credits claimed by a taxpayer. For a contributing member of a combined group, Schedule CMS is used to report the total amount of credit available and the specific portion being “shared” with an affiliate. 21
- Part 1, Column (g): This is the critical field where a corporation enters the dollar amount of credit it is allowing its affiliates to use under the sharing rules. 22
- Credit Type Code: For the research credit, the specific code “REARCH” must be used. 21
The taxpayer should not apply to the DOR for a formal “transfer of the credit certificate” to share it with another group member. Instead, the sharing is directly reported on Schedule CMS as part of the annual filing process. 21
Schedule U-CS: Credits Shared from Other Members
The member of the combined group that is using the shared credit must complete and file Schedule U-CS. This schedule provides the trail of evidence for the transfer. 8
| Schedule U-CS Requirements | Description of Data Needed |
| Member Using Credits | Name and FEIN of the corporation applying the shared credit to its excise. 8 |
| Contributing Member | Name and FEIN of the affiliate that generated the credit. 8 |
| Credit Type | Checkbox or code indicating the type of credit (e.g., Research Credit). 8 |
| Amount Shared | The specific dollar amount being utilized by the using member. 8 |
A separate Schedule U-CS is required for each contributing member from whom credits are received and for each distinct type of credit received from that member. 8
Illustrative Case Study: Intra-Group Credit Sharing
To demonstrate the application of these rules, consider a hypothetical Massachusetts combined group consisting of three entities: ResearchCo, FactoryCo, and SalesCo.
Background Data
- ResearchCo: Operates a laboratory in Cambridge.
- Generates $500,000 in R&D credits in 2024.
- Calculated Excise Liability: $50,000.
- FactoryCo: Operates a manufacturing plant in Worcester.
- Generates $0 in R&D credits.
- Calculated Excise Liability: $300,000.
- SalesCo: Handles regional distribution.
- Generates $0 in R&D credits.
- Calculated Excise Liability: $100,000.
- Total Group Excise Liability: $450,000.
Step 1: Allocating the $25,000 Threshold
The group shares a single $25,000 bracket based on each member’s share of total excise.
- ResearchCo Share: $(50k / 450k) \times 25k = $2,778$.
- FactoryCo Share: $(300k / 450k) \times 25k = $16,667$.
- SalesCo Share: $(100k / 450k) \times 25k = $5,555$.
Step 2: ResearchCo Utilizes Its Own Credit
ResearchCo applies its $500,000 credit against its own $50,000 liability first.
- Offset 100% of its threshold share: $2,778.
- Offset 75% of remaining liability ($50,000 – 2,778 = $47,222$): $35,417.
- Total Credit Used by ResearchCo: $38,195$.
- Remaining Excise for ResearchCo: $11,805$.
- Excess Credit Available for Sharing: $500,000 – 38,195 = $461,805$.
Step 3: Sharing with FactoryCo and SalesCo
ResearchCo now shares its “excess” $461,805 with its affiliates.
FactoryCo’s Utilization Capacity:
- Offset 100% of its threshold share: $16,667.
- Offset 75% of remaining liability ($300,000 – 16,667 = $283,333$): $212,500.
- Total Capacity: $229,167$.
- FactoryCo utilizes $229,167 of the shared credit.
SalesCo’s Utilization Capacity:
- Offset 100% of its threshold share: $5,555.
- Offset 75% of remaining liability ($100,000 – 5,555 = $94,445$): $70,834$.
- Total Capacity: $76,389$.
- SalesCo utilizes $76,389 of the shared credit.
Step 4: Final Accounting and Carryovers
- Total Credit Shared: $229,167 + 76,389 = $305,556$.
- Unused Credit Remaining in Carryover: $461,805 – 305,556 = $156,249$.
ResearchCo will report $305,556 in Column (g) of its Schedule CMS. Both FactoryCo and SalesCo will file Schedule U-CS naming ResearchCo as the contributing member. 8
The Dual Carryover System: 15-Year vs. Infinite
Massachusetts research credits that cannot be used in the current year—either by the generator or through sharing—are not necessarily lost. The law provides for two distinct types of carryovers depending on why the credit was disallowed. 2
The 15-Year Carryover
If a credit is disallowed because it exceeds the taxpayer’s total excise liability (i.e., the excise has already been reduced as much as possible, or the corporation is in a loss position), the unused credit may be carried forward for 15 years. 2
The Infinite (Unlimited) Carryover
A unique and highly favorable provision of the Massachusetts R&D credit is the infinite carryforward for credits disallowed specifically by the 75% rule. 2 The 75% rule forces a corporation to pay at least 25% of its excise that exceeds $25,000. The portion of the credit that was “blocked” by this rule can be carried forward indefinitely until it is eventually utilized. 3
| Carryover Category | Reason for Disallowance | Duration of Benefit |
| Standard Carryover | Exceeds total excise liability. 15 | 15 Years |
| Unlimited Carryover | Blocked by the 75% limitation rule. 3 | Indefinite |
| Minimum Tax Block | Blocked by the $456 minimum tax floor. 15 | 15 Years |
Strategic tax planning often involves tracking these carryover buckets separately to ensure that the 15-year credits (which have an “expiration date”) are prioritized for use over the infinite credits where permissible. 5
Sector-Specific Variations: Life Sciences and Refundability
For companies within the life sciences sector, the concept of “transfer between members” often competes with the option for “refundability.” Certified life sciences companies that participate in the Massachusetts Life Sciences Center (MLSC) Tax Incentive Program may be eligible to exchange their unused R&D credits for a cash refund. 6
The 90% Refund Election
If a certified life sciences company has a research credit that exceeds the amount it can claim for a taxable year, it may elect to receive a refund equal to 90% of the balance of those remaining credits. 16 This election is typically made by startups or growth-stage companies that have no corporate affiliates with which to share the credits and who value immediate cash flow over carrying credits forward to future years. 6
| Innovation Incentive Strategy | Primary Benefit | Target Entity |
| Intra-Group Sharing | 100% value utilization within a group. 8 | Profitable Combined Groups. |
| MLSC Refundability | 90% cash value immediately. 16 | Pre-revenue Life Sciences Firms. |
| Infinite Carryover | Long-term asset for future profits. 3 | Expanding Tech Companies. |
According to the 2023 Massachusetts Tax Credit Transparency Report, the Life Sciences Research Credit program awarded approximately $3.36 million across 13 counts, highlighting its targeted use within the biotechnology corridor. 25
Local Revenue Office Guidance: Key Technical Information Releases (TIRs)
The Massachusetts Department of Revenue regularly issues Technical Information Releases (TIRs) to provide administrative guidance on the evolving interpretation of the law. Several TIRs are critical for understanding the mechanics of excess credit transfers. 15
TIR 09-18: Mandatory Electronic Filing
TIR 09-18 establishes that all members of a combined group, including those merely receiving or contributing shared credits, must file their returns and schedules electronically. 27 This mandate is strictly enforced; paper filings for combined reports are generally not accepted and may be destroyed, leading to penalties for non-filing. 27 This electronic environment facilitates the DOR’s ability to cross-reference shared credits between contributing and using members automatically. 21
TIR 14-16: Implementation of the Alternative Simplified Method
This TIR provided the first comprehensive guidance on the ASM, clarifying that the election to use the ASM is an annual choice but must be made consistently by all members of a controlled group. 4 It also reinforced that the credit is non-refundable for the vast majority of corporations, making the “transfer between members” the primary path to utilization for those with excess capacity. 2
TIR 22-5: Impact of Recent Repeals and Phase-Outs
While the research credit remains permanent, TIR 22-5 discusses the repeal of related credits, such as the Harbor Maintenance Credit and the Medical Device User Fee Credit (for certain years), emphasizing that while those credits are gone, their carryover rules and sharing mechanisms for previously awarded amounts continue to follow the established combined reporting regulations. 30
Common Audit Challenges and Compliance Risks
The “transfer” of R&D credits is a high-scrutiny area for Massachusetts tax auditors. Because the credit reduces the primary revenue source for the Commonwealth (the corporate excise), the DOR rigorously verifies that all sharing activities strictly adhere to 830 CMR 63.32B.2. 1
Inter-Company Payments and Eliminations
A frequent point of contention in audits is the treatment of inter-company payments. When calculating the group-wide credit (especially for aggregated groups), all relevant expenses, payments, and receipts relating to transactions between group members must be disregarded. 3 If Corp A pays Corp B $100,000 to perform research, only the underlying QREs incurred by Corp B (e.g., the scientist’s wages) can be included in the group-wide credit. The $100,000 payment itself is an “inter-company elimination” and cannot be treated as contract research expense. 3
Documentation of “Qualified Research”
Auditors often demand contemporary documentation to prove that the research actually occurred in Massachusetts. This includes:
- Project descriptions and lab notebooks. 3
- Payroll records mapping employees to specific R&D projects. 6
- Supply invoices and contracts for third-party research. 6
- Detailed time tracking for employees who work both on R&D and non-R&D activities. 6
If the underlying research activity is disqualified for one member, the “excess” credit shared with other members will be retroactively disallowed, potentially leading to significant underpayment penalties and interest across the entire combined group. 6
Conclusion: Strategic Implications for the Unitary Business
The “Excess Research and Development Credit (Transfer between members)” is more than a line item on a tax schedule; it is the financial glue that binds a unitary business’s innovation strategy together. By allowing for the internal circulation of tax benefits, Massachusetts law ensures that the statutory incentive to innovate remains powerful even during periods of corporate restructuring or economic downturn. 1
For corporate tax departments, the primary challenge lies in the meticulous coordination of filing deadlines and the precise completion of Schedules CMS and U-CS. The interplay between different carryover durations (15-year vs. infinite) and the constant pressure of the 75% utilization cap requires a multi-year modeling approach to ensure that no tax asset is allowed to expire unused. As Massachusetts moves toward more complex apportionment formulas—such as the transition to single sales factor apportionment for all corporations in 2025—the pool of apportionable income against which these shared credits are applied will continue to shift, making proactive planning with qualified tax professionals more critical than ever. 6 Ultimately, the ability to share excess R&D credits remains a cornerstone of the Commonwealth’s commitment to supporting the high-tech and life sciences industries that drive its economic engine. 6
What is the R&D Tax Credit?
The Research & Experimentation Tax Credit (or R&D Tax Credit), is a general business tax credit under Internal Revenue Code section 41 for companies that incur research and development (R&D) costs in the United States. The credits are a tax incentive for performing qualified research in the United States, resulting in a credit to a tax return. For the first three years of R&D claims, 6% of the total qualified research expenses (QRE) form the gross credit. In the 4th year of claims and beyond, a base amount is calculated, and an adjusted expense line is multiplied times 14%. Click here to learn more.
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