815 ILCS 398/25: Prohibited purchases.

No resale dealer under this Act shall purchase or accept any goods or articles if:

(1) the seller is less than 18 years of age;

(2) the seller fails to present the appropriate form of identification as required by subsection (b) of Section 15; or

(3) the article to be purchased had an original manufacturer's serial number at the time it was new, but no longer legibly exhibits such number.