104.4. An officer contemplated in section 104.3 who, after a period of 18 months of reinstatement, obtains or is reinstated to a position with a lower weekly work load than his original position, with or without a reduction in his salary class, and who elects not to enter into an agreement in accordance with subparagraphs 1 and 2, shall benefit from the terms and conditions set out in section 104.2.