(a) * * *
(2) If a vehicle is sold during the taxable period and a credit or refund is allowable upon the sale under Sec. 41.4481-1(c)(4)(iii), paragraph (a)(1) of this section is applied with the following modifications:
(i) For purposes of determining the person liable for the tax determined under Sec. 41.4481-1(c)(4)(ii), each reference to a taxable period in paragraph (a)(1) of this section is treated as a reference to the period that begins on the first day of the taxable period in which the vehicle is sold and ends on the date of sale.
(ii) For purposes of determining the person liable for the tax determined under Sec. 41.4481-1(c)(4)(vi), each reference to a taxable period in paragraph (a)(1) of this section is treated as a reference to the period that begins on the date of the sale and ends on the last day of the taxable period in which the vehicle is sold.
(3) The application of paragraph (a) of this section may be illustrated by Examples (3) and (4) in Sec. 41.4481-1(d).
(b) * * * For provisions relating to penalties for aiding and abetting an understatement of tax liability, see section 6701 of the Internal Revenue Code.
(c) Effective/applicability date. This section applies on and after July 1, 2015. For rules applicable before that date, see 26 CFR 41.4481-2 (revised as of April 1, 2014).