(a) Any municipality proposing a change in its fiscal year to comply with the provisions of this chapter may create a surplus in its general fund for the specific purpose of financing such a change and said municipality may, over a period of years, accumulate the funds necessary to make said change. An amount may be included in its budget for this purpose, subject to the same approval required for any other budget item, and for that purpose it may lay a tax not exceeding five mills per year, provided any municipality which has not begun compliance with the uniform fiscal year on or prior to July 1, 1983, for the purpose of financing such change, may, with respect to each fiscal year commencing subsequent to July 1, 1988, until such municipality has begun such compliance, lay a tax sufficient to create a surplus in the general fund for the purpose of financing such change in whole or in part.

(b) Any municipality proposing a change in its fiscal year to comply with the provisions of this chapter which has not begun compliance on or before July 1, 1987, may enact an ordinance authorizing the issuance of its bonds or notes and may issue its bonds or notes in such amounts as may be necessary to finance, in whole or in part, the period set forth in subdivisions (1) and (2) of § 7-382 in addition to or without a surplus in its general fund as provided in subsection (a) of this section.