1531.Until the date of coming into force of the first regulation made under section 487 of this Act, the standards and scales to be used by a private institution under agreement for the selection, appointment and hiring of, and the remuneration and other conditions of employment applicable to, its personnel members are those provided for, where applicable, by the provisions of the Regulation respecting certain terms of employment applicable to officers of agencies and health and social services institutions (chapter S-4.2, r. 5.1) or the Regulation respecting certain terms of employment applicable to senior administrators of agencies and of public health and social services institutions (chapter S-4.2, r. 5.2), as they read on the day before the day of amalgamation.