Definition of (1) PRODUCER; LESSOR; NATURAL GAS COMPANY.-The term


(1) PRODUCER; LESSOR; NATURAL GAS COMPANY.-The term producer' means a corporation which extracts minerals from a mineral property, or which cuts logs from a timber block, in which an economic interest is owned by such corporation. The term 'lessor' means a corporation which owns an economic interest in a mineral property or a timber block, and is paid in accordance with the number of mineral units or timber units recovered there- from by the person to which such property or block is leased. The term 'natural gas company' means a corporation engaged in the withdrawal, or transportation by pipe line, of natural gas.