4. From the date of the coming into force of letters patent provided for in section 3, such municipality shall be designated by the new name mentioned in such letters patent.
No change effected under section 3 shall change the rights or obligations of the municipality; any proceedings which might have been commenced or continued for or against the municipality under its first name may be commenced or continued for or against it under its new name.
1968, c. 55, s. 3; 1974, c. 45, s. 2.