District shall pay tax on gross revenue derived from sales

of surplus power. Any district organized under the provisions of this act [73-12-1 to 73-12-57 NMSA 1978] shall be taxed in the sum of four percent (4%) of the gross revenue derived from the sale of surplus power, which amount shall be paid into the county treasury of the county in which such district is organized to the credit of the county road fund. History: Laws 1929, ch. 76, § 48; C.S. 1929, § 73-748; 1941 Comp., § 77-2448; 1953 Comp., § 75-25-48.