; (ii) transmits to the national binary explosive check system the name of the product, the quantity to be sold, and the name and address of such prospective purchaser; and (iii) receives from the system a statement that the amount of a binary explosive sought to be purchased by a prospective purchaser would not exceed the amount described in paragraph (1). (F) The sales form includes a notice to purchasers that entering false statements or misrepresentations on the sales form may subject the purchasers to criminal penalties under section 1001, which notice specifies the maximum fine and term of imprisonment under such section. (G) The seller maintains the sales form for not fewer than two years after the date on which the sale is consummated. (4) Safe harbor rule (A) In general A seller who knows, should know, or has reason to believe that the purchase of an amount of a binary explosive by a prospective purchaser would result in a violation of paragraph (1) may sell such amount to such purchaser if such seller is notified by the national binary explosive check system that the purchase of such amount would not result in a violation of paragraph (1). (B) Required procedure If a seller sells a binary explosive to a prospective purchaser pursuant to subparagraph (A), such seller, promptly after the sale, shall notify the Attorney General of— (i) the name and address of the purchaser; (ii) the amount sold