amendments The Secretary of Labor shall provide a process for amending a request for labor certification in conjunction with an H–2A petition, subsequent to certification by the Secretary of Labor, in cases in which the requested amendment does not materially change the petition (including the job order). (4) Roles of agricultural associations (A) Member’s violation does not necessarily disqualify association or other members If an individual producer member of a joint employer association is determined to have committed an act that results in the denial of a petition with respect to the member, the denial shall apply only to that member of the association unless the Secretary of Labor determines that the association or other member participated in, had knowledge of, or reason to know of, the violation. (B) Association’s violation does not necessarily disqualify members (i) If an association representing agricultural producers as a joint employer is determined to have committed an act that results in the denial of a petition with respect to the association, the denial shall apply only to the association and does not apply to any individual producer member of the association unless the Secretary of Labor determines that the member participated in, had knowledge of, or reason to know of, the violation. (ii) If an association of agricultural producers certified as a sole employer is determined to have committed an act that results in the denial of a petition with respect to the association, no individual producer member of such association may be the beneficiary of the services of H–2A workers in the commodity and occupation in which such aliens were employed by the association which was denied during the period such denial is in force, unless such producer member employs such aliens in the commodity and occupation in question directly or through an association which is a joint employer of such workers with the producer member. (5) Special procedures The Secretary of Labor, in consultation with the Secretary of