When, by reason of exceptional circumstances, the maximum salary herein authorized for any nonelective municipal officer is found by the provincial board to be inadequate, that board may fix and the Executive Secretary approve such higher rate as may be ne cessary to secure and retain the services of a competent appointee. [1482-2 ( e ).] SECTION  2131 . Additional Compensation for Municipal Treasurer Acting as Municipal Secretary.  — The municipal council, with the approval of the provincial board, may require that the municipal treasurer shall, in addition to the regular duties of his office , perform the duties of municipal secretary; in which case he may be paid additional compensation in an amount fixed by the municipal council, with the approval of the provincial board; but the compensation thus paid to the treasurer for his services in bo th capacities shall not exceed seventy-five per centum of the sum of the salaries attached to the two offices. [1482-2 ( e ).] SECTION  2132 . Additional Compensation for Treasurer in Capacity of Deputy of Provincial Treasurer.  — A municipal treasurer may receive, for his services in the capacity of deputy provincial treasurer, such additional compensation, to be paid from provincia l funds, as the provincial board may fix and the Executive Secretary may approve. [82-22; 499-1 ( c ).] SECTION  2133 . Compensation of Vice-President or Councilor. —  No compensation is attached to the office of vice-president or the office of councilor, such offices being honorary; but when, by reason of absence, suspension, or other disability, the president ceases to discharge the duties of his office, the vice-president or councilor acting as president shall receive compensation equivalent to the salary of the president during the period of such service. [82-22 ( e ).] The president shall receive full salary when absent from the municipality upon occasion of any meeting of municipal presidents convoked by the provincial board or when absent therefrom upon any other business the performance of which is required of him by  express provision of law or competent administrative authority; and if during such authorized absence the vice-president or a councilor temporarily discharges the local duties of president, the officer rendering such service may receive compensation in an  amount to be fixed by the council, with the Copyright 2012 CD Technologies Asia, Inc. and Accesslaw, Inc. Philippine Law Encyclopedia 2011 624