11Agreements for assessment to and recovery of drainage charge
(1)A river board and any such authority as is mentioned in subsection (2) of this section may enter into agreements for the doing by the authority, as agents of the river board, of anything required for the purpose of the assessment to and recovery of a drainage charge in respect of the chargeable hereditaments mentioned in that subsection, and for the making by the river board to the authority of payments in respect of anything so done.
(2)The said authorities are the council of any county borough or county district wholly or partly included in the river board area, the drainage board of any internal drainage district included in that area and any river board; and the said chargeable hereditaments are, in relation to any such council, those within the area of the council and, in relation to any drainage board, such as may be specified in the agreement.