SECTION 6. EFFECTIVE DATES

.01 Issuers may rely on this revenue procedure to determine average area pur

chase price safe harbors for commitments to provide financing or issue mortgage credit certificates that are made, or (if the purchase precedes the commitment) for residences that are purchased, in the period that begins on March 8, 2007, and ends on the date as of which the safe harbors contained in section 4.01 of this revenue procedure are rendered obsolete by a new revenue procedure.

.02 Notwithstanding section 5 of this revenue procedure, issuers may continue to rely on the average area purchase price safe harbors contained in Rev. Proc. 2006–17, with respect to bonds sold, or

March 26, 2007 838 2007–13 I.R.B.

The estimated number of respondents and/or recordkeepers: 60.

Books or records relating to a collection of information must be retained as long as their contents may become material in the administration of any internal revenue law. Generally tax returns and tax return information are confidential, as required by 26 U.S.C. 6103.