Expenditure on pilotage

All sums credited to the pilotage account under clause (0) of sub-section (2) of section 40 may be applied, in scch proportions as the Board may, from time to time , direct, to the following purposes only, namely :- (1) the purchase and maintenance in repair of such vessels, and the supply of such materials stores or other things as the Board may deem it necessary to maintain or supply for the efficiency of the pilot service ; (2) the payment of lbe salaries and allowances of pilots or harbour-masters and other officers and servants of the Board employed in the pilot service. or in the supervision thereof' ; (3) the payment of pensions or retiring era- tuities or compassionate allowances to pilots or harbour-masters and other officers and servants engaged in the pilot service, and of the contributions, if any, duly authorised to be made in their behalf to any PI ovidsnt fund ; (4) the payment of pensions, gratiuties and compassionate alioivances granted by the Board to pllots or harbour-masters and other cfficers and servants engaged in the pilot service, who have been injuted in the execuiion of their duty and to the surviving relatives of pilots. or harbour- masters, officers and servants .so -engaged, who may die in the service of the Board.