3.(1) The amendments made by this Act shall be deemed to have come into force on the date on which the Bombay District Muncipal and Municipal Boroughs (Amendment) Act, 1954, came into force (hereinafter in this section referred to as 'the said date ') and all elections to the office of the president or vice president, held on or after the said date and before the coming into force of this Act, shall be deemed to be valid as if this Act bad been in force on the said date; and any person elected to the office of the president or vice president at any of such elections shall not be deemed to have been illegally elected merely on the ground that the residue of the term of office of the municipality being less than one year at the time of such election, he would hold his office for a term less than one year in contravention of section 19 of the Bombay Municipal Boroughs Act, 1925, as it was in operation before the coming into force of this Act.