SECTION 5. EFFECTIVE DATE

.01 This revenue procedure is effective for notifications under § 42(j)(6)(B)(i) of the Code made on or after May 2, 2012.

.02 Except to the extent provided in section 5.03 of this revenue procedure, a notification sent by a taxpayer to the Internal Revenue Service prior to May 2, 2012, is not effective to begin the 3-year statutory period for assessing a deficiency with respect to that taxpayer under § 42(j)(6)(B)(i).

.03 A notification received from a taxpayer by the Internal Revenue Ser

vice prior to May 2, 2012, is effective to begin the 3-year statutory period if it complies with the substance of this revenue procedure. A notification complies with the substance of this revenue procedure only if it provides the information described in section 4.01(2) and (3) of this revenue procedure, and it contains a declaration under penalties of perjury substantially similar to that described in section 4.05 of this revenue procedure.