43. A senior collections director or a collections director is authorized to sign the documents required for the purposes of(1) the provisions referred to in sections 44 to 51;
(2) sections 17.1 and 39 of the Tax Administration Act (chapter A-6.002);
(3) article 2771 of the Civil Code; and
(4) section 57.1 of the Act to facilitate the payment of support (chapter P-2.2).