land revenue "land revenue" means every sum now due, or which shall hereafter become due, to the State Authority on account of any premium or rent payable in respect of alienated land, or under any licence or permit relating to land, and fees of any kind (including arrears of fees and, notwithstanding that they constitute items of Federal revenue, any fees, costs or other sums payable in connection with the carrying out of any survey by the Survey and Mapping Department) chargeable under this Act or any previous land law; Act 56_65 - NATIONAL LAND CODE 5. Interpretation.