These Regulations shall not be construed as abating any action now pending under, or by virtue of, prior existing Subdivision Regulations, or discontinuing, abating, modifying, or altering any penalty accruing or about to accrue, or as affecting the liability of any person, firm or corporation, or as waiving any right of the Town under any section or provision existing at the time of adoption of these Regulations, or vacating or annulling any rights obtained by any person, firm or corporation, by lawful action of the Town, except as shall be expressly provided for in these Regulations. (Prior code §  12-1-5)