A person who is eligible to receive a mail-in rebate for the purchase of a product or merchandise must be given the option of providing either a street address or a post-office box number as a mailing address.
N.D. Cent. Code § 51-12-15
Product rebates - Acceptable mailing addresses
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.