198.5. The following supplies are zero-rated supplies:(1) a supply of diapers or training pants designed specially for children;
(2) a supply of waterproof pants designed specially to be worn over the diapers referred to in paragraph 1, where such diapers are washable; and
(3) a supply of absorbent linings or biodegradable paper products designed specially as accessories for the diapers referred to in paragraph 1, where such diapers are washable.