rr-26-17.pdf

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Section 1274.--Determination of Issue Price in the Case of Certain Debt Instruments
Issued for Property

(Also Sections 42, 280G, 382, 467, 468, 482, 483, 1288, 7520, 7702, 7872.)

Rev. Rul. 2026-17

This revenue ruling provides various prescribed rates for federal income tax
purposes for September 2026 (the current month). Table 1 contains the short-term,
mid-term, and long-term applicable federal rates (AFR) for the current month for
purposes of section 1274(d) of the Internal Revenue Code. Table 2 contains the short-
term, mid-term, and long-term adjusted applicable federal rates (adjusted AFR) for the
current month for purposes of section 1288(b). Table 3 sets forth the adjusted federal
long-term rate and the long-term tax-exempt rate described in section 382(f). Table 4
contains the appropriate percentages for determining the low-income housing credit
described in section 42(b)(1) for buildings placed in service during the current month.
However, under section 42(b)(2), the applicable percentage for non-federally subsidized
new buildings placed in service after July 30, 2008, shall not be less than 9%. Finally,
Table 5 contains the federal rate for determining the present value of an annuity, an
interest for life or for a term of years, or a remainder or a reversionary interest for
purposes of section 7520.

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REV. RUL. 2026-17 TABLE 1

Applicable Federal Rates (AFR) for September 2026

Period for Compounding
Annual Semiannual Quarterly Monthly

Short-term

AFR 4.18% 4.14% 4.12% 4.10%
110% AFR 4.60% 4.55% 4.52% 4.51%
120% AFR 5.03% 4.97% 4.94% 4.92%
130% AFR 5.45% 5.38% 5.34% 5.32%

Mid-term

AFR 4.49% 4.44% 4.42% 4.40%
110% AFR 4.94% 4.88% 4.85% 4.83%
120% AFR 5.40% 5.33% 5.29% 5.27%
130% AFR 5.85% 5.77% 5.73% 5.70%
150% AFR 6.77% 6.66% 6.61% 6.57%
175% AFR 7.92% 7.77% 7.70% 7.65%

Long-term

AFR 5.12% 5.06% 5.03% 5.01%
110% AFR 5.65% 5.57% 5.53% 5.51%
120% AFR 6.16% 6.07% 6.02% 5.99%
130% AFR 6.69% 6.58% 6.53% 6.49%

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REV. RUL. 2026-17 TABLE 2

Adjusted AFR for September 2026

Period for Compounding
Annual Semiannual Quarterly Monthly
Short-term
adjusted AFR 3.16% 3.14% 3.13% 3.12%

Mid-term
adjusted AFR 3.40% 3.37% 3.36% 3.35%

Long-term
adjusted AFR 3.88% 3.84% 3.82% 3.81%

REV. RUL. 2026-17 TABLE 3

Rates Under Section 382 for September 2026

Adjusted federal long-term rate for the current month 3.88%

Long-term tax-exempt rate for ownership changes during the
current month (the highest of the adjusted federal long-term
rates for the current month and the prior two months.) 3.88%

REV. RUL. 2026-17 TABLE 4

Appropriate Percentages Under Section 42(b)(1) for September 2026
Note: Under section 42(b)(2), the applicable percentage for non-federally subsidized
new buildings placed in service after July 30, 2008, shall not be less than 9%.

Appropriate percentage for the 70% present value low-income
housing credit 8.12%

Appropriate percentage for the 30% present value low-income
housing credit 3.48%

REV. RUL. 2026-17 TABLE 5

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Rate Under Section 7520 for September 2026

Applicable federal rate for determining the present value of an
annuity, an interest for life or a term of years, or a remainder or
reversionary interest 5.40%