Section 2
SEC. 2. The change of date authorized in the next preceding section must be made on or before the thirty-first of December, nineteen hundred and eleven, and not later, in the manner and under the terms prescribed in section one of said Act Numbered Nineteen hundred and nine for selecting such dates. If the local fiesta shall have been held in any part of the year nineteen hundred and eleven before the change of date authorized under this Act, then the new date shall be effective beginning with the year nineteen hundred and twelve: Provided, That once the new date for the celebration of the local fiesta shall have been adopted, it shall not be changed except by an Act of the Legislature.