14.21. The provisions of this Division, with the exception of section 14.19, cease to apply to a pension plan referred to in section 14.9 as of the first of the following dates:
(1) the date of the first actuarial valuation showing that the plan is solvent;
(2) the date corresponding to the end of a fiscal year that is fixed in a writing giving instructions to that effect and sent to the pension committee and the Régie, by the employer party to the plan, prior to the end of that fiscal year;
(3) 31 December 2012.