It is the intent of this bylaw to govern as broad a range of situations as possible in which Town officers, boards, committees and commissions require some form of security from applicants, provided only that this bylaw shall not apply to deposits or other financial surety received under MGL c. 41, § 81U. Without limiting the generality of the foregoing, this bylaw shall apply to surety required by (a) the Board of Selectmen to secure performance under any contract which such Board is authorized to execute by general or special law or by any of the General Bylaws; (b) the Board of Selectmen to secure performance of any condition for the issuance by such Board of any license, permit or approval, including, without limitation, a street opening permit under § 217-7 or drain connection permit under § 217-7 of the General Bylaws; and (c) the Conservation Commission to secure performance of any obligation undertaken by an applicant for an order of conditions or other approval granted by such Commission, including, without limitation, under § 240-9 of the General Bylaws.