The several dates fixed by law, on or before which: (1) abstracts of individual lists shall be completed and lodged in the town clerk's office; (2) meetings of listers may be held to hear grievances; (3) hearings upon such grievances shall be closed; (4) meetings of the Board of Civil Authority shall be held to consider the same; (5) hearings upon such appeal shall be closed; (6) the grand list shall be completed and deposited in the town clerk's office; (7) listers shall lodge inventories of taxpayers with the town clerk; and (8) abstracts of the grand list shall be filed with the town clerk shall be extended as follows: In towns of fewer than 5,000 inhabitants, 30 days; in towns of 5,000 or more inhabitants, 50 days. Nothing contained in this section shall in any manner change the date fixed in a municipal charter whereon any of the aforesaid acts or things are therein required to be done or performed. (Amended 1977, No. 105, § 14(a); 1979, No. 177 (Adj. Sess.), § 1; 1993, No. 49, § 4, eff. May 28, 1993; 1995, No. 169 (Adj. Sess.), § 11, eff. May 15, 1996.)