SECTION 4. EFFECTIVE DATE

.01 General Rule . Except as provided in section 4.02, this revenue procedure applies to taxable years beginning in 2008.

.02 Calendar Year Rule . This revenue procedure applies to transactions or events occurring in calendar year 2008 for purposes of sections 3.08 (low-income housing credit), 3.10 (transportation mainline pipeline construction industry optional expense substantiation rules for payments to employees under accountable plans), 3.16 (private activity bond volume cap), 3.17 (general arbitrage rebate rules), 3.18 (safe harbor rules for broker commissions on guaranteed investment contracts or investments purchased for a yield restricted defeasance escrow), 3.28 (funeral trusts), 3.29 (expatriation to avoid tax), 3.31 (valuation of qualified real property in decedent’s gross estate), 3.32 (annual exclusion for gifts), 3.33 (tax on arrow shafts), 3.36 (persons against whom a federal tax lien is not valid), 3.37 (property exempt from levy), 3.38 (interest on a certain portion of the estate tax payable in installments), 3.39 (attorney fee awards), and 3.40 (periodic payments received under qualified long-term care insurance contracts or under certain life insurance contracts).