(a) Notwithstanding section fifteen of this article, the following provisions apply to sales of "advertising and promotional direct mail:"
(1) A purchaser of "advertising and promotional direct mail" may provide the seller with either:
(a) Notwithstanding section fifteen of this article, the following provisions apply to sales of "advertising and promotional direct mail:"
(1) A purchaser of "advertising and promotional direct mail" may provide the seller with either: