148.6. For the purposes of the application of section 129,(1) in the case of an annexation plan, the date on which the by-law ordering the annexation is received by the clerk of the municipality,
(2) in the case of a regrouping plan having been the object of a joint petition, the date on which the notice contemplated in section 6 of the Act to promote the regrouping of municipalities (chapter R-19) was published,
(3) in the case of a regrouping plan, if there was no joint petition, the date of the order of the Minister of Municipal Affairs contemplated in section 12 of the said Act,is considered as the day of deposit of the list.