Each firemen's relief association may pay to the delegates, life members and chief or the next highest ranking officer as shall attend and represent it and to each delegate who shall attend and represent the local exempt firemen's association at the annual convention of the New Jersey State Firemen's Association the cost incurred by them for travel, lodging, and other expenses as determined by the executive committee of the New Jersey State Firemen's Association in accordance with R.S. 43:17-35 and the rules and regulations adopted by the New Jersey Firemen's Association. Nothing contained in this article shall authorize the payment of such expenses a second time to any delegate.
N.J.S. § 43:17-29