bulletin Internal Revenue›Rev. Proc. 90-63, 1990-2 C.B. 664, is
SECTION 5. METHODS OF
Internal Revenue Bulletin 1997-33 · 2026-10-03 edition · updated 2026-10-04 · United States
ACCOUNTING (§ 446) . . . . . . . . . . . 36
.01 Cash or hybrid method to
accrual method . . . . . . . . . . . . 36 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 36
.01 Timing of incurring liabilities for
employee compensation . . . . . 38 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 38 (2) Amounts taken into account . . . . . . . . . . . . . . . . . . 38 .02 Timing of incurring liabilities
for real property taxes . . . . . . . 38 (1) Description of change . . . . 38 (2) Scope . . . . . . . . . . . . . . . . . 38 (3) Amounts taken into account . . . . . . . . . . . . . . . . . . 38 .03 Timing of incurring liabilities
method. . . . . . . . . . . . . . . . . . . 39 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 39 (2) Limitation on LIFO election . . . . . . . . . . . . . . . . . . 40 (3) Effect of subchapter S election by corporation . . . . . . 40 (4) Additional requirements . . 40 .02 Determining the cost of used
vehicles purchased or taken as a trade-in . . . . . . . . . . . . . . . . . 40 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 40 (2) Manner of making the change . . . . . . . . . . . . . . . . . . . 40 .03 Alternative LIFO inventory
method for retail automobile dealers . . . . . . . . . . . . . . . . . . . 40 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 40 (2) Manner of making the change . . . . . . . . . . . . . . . . . . . 40 .04 Inventory price index computation
(IPIC) method under the LIFO in- ventory method . . . . . . . . . . . . 40 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 40 (2) Manner of making the change . . . . . . . . . . . . . . . . . . . 41 .05 Determining current-year cost
under a workers’compensation act, tort, breach of contract, or violation of law . . . . . . . . . . . . 38 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 38 (2) Amounts taken into
under the LIFOinventory method . . . . . . . . . . . . . . . . . . . 41 (1) Description of change and scope . . . . . . . . . . . . . . . . . . . . 41 (2) Manner of making the change . . . . . . . . . . . . . . . . . . . 41
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