(a) Prohibition
Subject to section 12 (d), and except as provided in subsection (b) of this section, no person in any State may apply to a vessel that is less than 25 meters in length an antifouling paint containing organotin.

(b) Exceptions
Subsection (a) of this section shall not prohibit the application of a qualified antifouling paint containing organotin on—

(1) the aluminum hull of a vessel that is less than 25 meters in length; or

(2) the outboard motor or lower drive unit of a vessel that is less than 25 meters in length.