26 CFR §48.6416(b)(1)-4 — (b)(1)-4 Supporting evidence required in case of price readjustments.
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No credit or refund of an overpayment arising by reason of a price readjustment described in § 48.6416(b)(1)-2 or § 48.6416(b)(1)-3 shall be allowed unless the manufacturer who paid the tax submits a statement, supported by sufficient available evidence—
- (a)Describing the circumstances which gave rise to the price readjustment,
- (b)Identifying the article in respect of which the price readjustment was allowed,
- (c)Showing the price at which the article was sold, the amount of tax paid in respect of the article, and the date on which the tax was paid,
- (d)Giving the name and address of the purchaser to whom the article was sold, and
- (e)Showing the amount repaid to the purchaser or credited to the purchaser's account.