Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

SECTION 1. The board of selectmen of the town of West Boylston is hereby authorized to act as the board of sewer commissioners and shall have all the powers and duties conferred upon sewer commissioners under the General Laws.

SECTION 2. Notwithstanding the provisions of any general or special law to the contrary, the town of West Boylston is hereby authorized to assess interest on apportionments of sewer betterment assessments at a rate equal to the rate of interest chargeable to the town for the betterment to which the assessments relate or at a rate set forth in section 13 of chapter 80 of the General Laws as determined by the board of selectmen of said town.

SECTION 3. Notwithstanding the provisions of any general or special law to the contrary, the board of assessors of the town of West Boylston may, or upon request of the owner of the land shall, apportion all sewer assessments or unpaid balances thereof made under the provisions of chapter 80 of the General Laws into such number of equal annual portions, not exceeding 25, as determined by said board or as requested by the owner, as the case may be.

SECTION 4. Notwithstanding the provisions of any general or special law to the contrary, the board of selectmen of the town of West Boylston in making an order for the assessment of any sewer betterment under the provisions of chapter 80 of the General Laws or balance of any assessment apportioned in accordance with the provisions of section 13 of said chapter 80 shall upon the application of an owner of the real property assessed, if such owner is the head of a household of at least two persons, and the total income of the household is less than 50 per cent of the median income of the metropolitan area of which West Boylston is a part as such median income is determined from time to time by the department of housing and community development or any successor agency, enter into a deferral and recovery agreement with such owner on behalf of said town as otherwise provided by section 13B of said chapter 80.

SECTION 5. This act shall take effect upon its passage.