
The corporate alternative minimum tax (“CAMT”) requires noncorporate taxpayers—e.g., partnerships, limited liability companies, and S corporations (“noncorporate entities”)—to compile unique accounting books (“CAMT books”) for high-income corporate interest holders (“CAMT corporations”) for CAMT purposes. This process is time-intensive and expensive, and it requires backdating to years before the CAMT corporation obtained an ownership interest in the noncorporate entity. This requirement may even be triggered regardless of how many other entities are in the ownership chain between the noncorporate entity and eventual CAMT corporation.
Under model governance documents, the cost burden of this process is on the noncorporate entity. Drafters of governance documents should consider the potential tax liability of all interest holders and potential interest holders when drafting governance documents. Failure to consider CAMT issues when preparing governance documents could cost founders in the long run.
CAMT: A Primer
CAMT came into effect under the Inflation Reduction Act of 2022. CAMT, generally speaking, is a 15 percent minimum tax on large corporations. CAMT applies to corporations making an average of $1 billion a year over a three-year span or $100 million a year over a three-year span for certain U.S. subsidiaries of foreign-parented groups (i.e., CAMT corporations). This amount is calculated using adjusted financial statement income (“AFSI”)—that is, accounting book income with certain adjustments. AFSI requires a third set of accounting books (i.e., CAMT books) to be prepared and maintained (in addition to regular accounting books and tax books). Thus, if a corporation, based on its AFSI, makes $1 billion a year, then the corporation must pay at least $150 million in federal income tax and compile CAMT books. If the standard federal corporate tax system does not require a payment of at least $150 million, CAMT requires a true-up tax bringing the total amount paid to $150 million.
At first glance, the CAMT framework appears narrow and irrelevant to most businesses, but there are a few crucial considerations that drastically expand CAMT’s impact. First, the $1 billion and $100 million thresholds are not inflation indexed, so the scope will expand over time. Second, the CAMT books must be maintained for any entity that may eventually be captured by CAMT because the preparation of the books would otherwise require backdating. Third, and most expansive, in order for a large corporation to fully prepare its own CAMT books, it must receive accurate income information from its pass-through subsidiaries prepared as CAMT books. This information must be provided even if the pass-through subsidiary itself is not subject to CAMT. Further, the requirement for the pass-through subsidiaries to prepare the books applies all the way up the chain to the CAMT corporation. In other words, every pass-through subsidiary controlled by a CAMT corporation (no matter how small the subsidiary, how attenuated the relationship, or whether the CAMT corporation is a minority owner) must prepare its own CAMT books.
Noncorporate Entity Burden
Generally, noncorporate entity operating agreements require the noncorporate entity to bear the cost burden of preparing tax information for its owners. For example, section 8.4 of the LexisNexis form operating agreement provides thus: “The Company shall send or cause to be sent to each Member within ninety (90) days after the end of each taxable year (i) such information as is necessary to complete the Member’[s] federal and state income tax returns.”[1]
There are two approaches that the noncorporate entity could take in response to standard tax information operating agreement language: (1) bear the cost of preparing CAMT books for the CAMT corporation or (2) give all documents necessary for preparing CAMT books to the CAMT corporation, no matter how minor or attenuated the CAMT corporation’s interest.
First, if the noncorporate entity bears the cost burden of preparing CAMT books, this disproportionately harms the interest holders who do not have to comply with CAMT. These noncorporate entity interest holders must share, through their ownership interest, in the cost of CAMT compliance without receiving any benefit in return.
On the surface, this looks like an issue only for larger entities with corporate parent groups, but failing to consider CAMT expenses at the formation stage could cost founders in the long run. Further, there are many ways that a CAMT corporation could eventually become involved in a closely held business: (i) the founders could sell a portion of their ownership interest, (ii) a bankruptcy proceeding could result in the forced sale of an economic interest, or (iii) a founder could transfer their economic interest. Economic interests may generally be freely transferred. This can easily, sometimes over the objection of other owners, give a CAMT corporation (or any subsidiary of the CAMT corporation, no matter how distant) a taxable interest in the closely held business.
Second, under most standard governance documents, the noncorporate entity’s obligation can be satisfied by providing the CAMT corporation with sufficient information to complete the CAMT corporation’s federal tax returns. In most cases, however, simply giving the CAMT corporation enough information to compile the CAMT books itself is not an acceptable solution because that would transmit all, or nearly all, of the noncorporate entity’s financial documents to the CAMT corporation, even if the CAMT corporation is a minority owner.
Other Alternative Minimum Taxes
This tax information issue is not unique to CAMT: Organisation for Economic Co-operation and Development (“OECD”) Pillar II also requires the creation of separate accounting books and imposes a minimum tax on certain businesses. In the case of OECD Pillar II, those businesses are large multinational businesses. The same CAMT tax information and compliance cost issues arise for OECD Pillar II—that is, when a small company that does not need to comply with OECD Pillar II is owned in some part by a company that must comply with OECD Pillar II, the small company faces issues similar to being owned by a CAMT corporation.
CAMT followed in the footsteps of OECD Pillar II; these alternative minimum taxes are becoming more popular as the potential to exploit traditional corporate tax structures becomes more common. With this popularity, the issue of preparing entirely separate books for the different accounting structures of all entities in an ownership structure will only continue to proliferate. Further, there is nothing to prevent these alternative minimum tax structures from applying to smaller companies in the future.
Risk Mitigation for Alternative Entities
Going forward, governance documents should carve out CAMT-related expenses from a noncorporate entity’s obligation to provide tax information. If a company only engages with certain tax regimes (e.g., CAMT or OECD Pillar II) because of the status of one or more of its members, the cost of engaging with those tax regimes should be on those members. If the noncorporate entity, as a whole, bears the cost of engaging with those tax regimes, then this cost unrightfully diminishes the earnings of the interest holders of the noncorporate entity who have no obligation to engage with CAMT or other similar tax regimes.
Furthermore, those responsible for the maintenance of governance documents should consider amendments that address CAMT and other similar tax regimes.
Operating Agreement (Member-Managed, Multiple Members) (DE LLC), LexisNexis, (emphasis added). ↑










