VIEWPOINT
1994 TAX NOTES FEDERAL, VOLUME 179, JUNE 19, 2023
the amount of the shared appreciation payment in
excess of the income previously accrued and
taxed based on the comparable yield, may
provide some deferral of tax.
2
The CPDI rules can, therefore, create the risk
of negative tax arbitrage to an HSAM lender. It is
possible that this risk of negative tax arbitrage has
turned lenders subject to the regular original issue
discount rules away from making HSAMs. Also,
the risk of negative tax arbitrage to lenders is not
balanced by any tax benefit to borrowers. Because
most home borrowers are cash-basis taxpayers,
and an HSAM, by definition, is used to carry or
acquire personal property, they cannot deduct
contingent interest (the shared appreciation
amount) until paid. Presumably, the difference
between interest actually paid and interest
computed at the comparable yield is never paid
and never deductible.
3
Given the potential benefit of HSAMs to
homebuyers and the unbalanced income tax
treatment between borrowers and lenders, it
would seem difficult to persist in applying the
CPDI rules to HSAMs. It is believed that not
subjecting HSAMs to the CPDI rules, even if only
temporarily, or clarifying that HSAMs are not
intended to be subject to the CPDI rules, would
encourage more home mortgage lending, which
could be helpful in the current interest rate
environment. That targeted temporary
suspension of the CPDI rules, or their clarification
in the case of HSAMs, could be justified by policy
considerations (the current pressure on
borrowers) but it could also be justified for
technical reasons, including the CPDI rules
themselves and their potential adverse effect on
real estate investment trusts and real estate
mortgage investment conduits. Finally, as a
historic matter, the CPDI treatment of HSAMs
does not reflect the government’s original
approach to HSAMs. That approach changed over
time, which again would suggest that a different
treatment is possible.
Before the current CPDI rules were issued,
HSAMs were subject to income tax accounting
rules that did not require any HSAM appreciation
payment (or comparable yield) to be projected
and taken into income annually as OID. To the
contrary, under a 1983 revenue ruling on HSAMs
(Rev. Rul. 83-51, 1983-1 C.B. 48) the REIT
provisions concerning shared appreciation
mortgages (SAMs) added by the 1986 Tax Reform
Act
4
and the first two sets of OID regulations for
CPDI,
5
HSAM payments would not be projected
or accrued currently based on a comparable yield
or taken into account before being fixed.
Although it is arguable that the current CPDI
regulations have changed that treatment for
HSAMs, the mechanics of those rules (especially
the definition of “comparable yield”) and their
failure to address the treatment of HSAMs under
the REIT statute and REMIC regulations indicate
that HSAMs were not intended to be CPDIs.
Initially, the IRS and Treasury addressed the
borrower side of HSAMs in Rev. Rul. 83-51, which
was issued at a time when home mortgage
interest rates were hitting historic highs. As
contemplated by the facts of the revenue ruling,
regular interest rates were as high as 18 percent
annually. The revenue ruling explains that by
borrowing under an HSAM, a homebuyer could
pay interest regularly (monthly) at a below-
market rate, such as 12 percent annually. In
return, the homeowner would pay a share of the
home’s appreciation occurring between the loan
origination and the earliest of (1) the loan payoff,
(2) the sale of the home, or (3) 10 years from the
origination. The revenue ruling concludes that the
regular interest payments and the shared
appreciation payment could be deducted as
interest in the year paid.
Rev. Rul. 83-51 did not address the lender’s tax
consequences of an HSAM, but the first set of
proposed CPDI rules does. Under the first set of
proposed rules for CPDIs (LR-189-84), published
in the Federal Register for April 8, 1986, a SAM
issued for cash or publicly traded property would
be split into two components: the non-contingent
payments and the contingent payments. The non-
contingent payments would be treated as a
separate, non-contingent debt instrument, having
an issue price equal to the issue price of the overall
2
Reg. section 1.1275-4.
3
Reg. section 1.163-7 and section 1275(b)(2).
4
Section 856(j).
5
T.D. 8517 and T.D. 8674.
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