In conjunction with an application under section 249 of the Act, an otherwise eligible alien who is inadmissible under paragraph (9), (10), or (12) of section 212(a) of the Act or so much of paragraph (23) of section 212(a) of the Act as relates to a single offense of simple possession of 30 grams or less of marihuana may request a waiver of such ground of inadmissibility under section 212(h) of the Act. Any alien within the classes described in subparagraphs (B) through (H) of section 212(a)(28) of the Act may apply for the benefits of section 212(a)(28)(I)(ii) in conjunction with an application under section 249 of the Act.