Liability for tax

Every interested owner shall be liable for this tax to the extent of such owner's interest in such products. The owner shall become liable at the time the coal products are severed from the earth and ready for sale, whether before processing or after processing, as the case may be. Acts 1972, ch. 795, § 2; 1973, ch. 12, § 1; 1973, ch. 96, § 2; 1974, ch. 690, §§ 1, 2; 1980, ch. 912, § 1; 1981, ch. 519, §§ 1, 2; T.C.A., § 67-5902. Every interested owner shall be liable for this tax to the extent of such owner's interest in such products. The owner shall become liable at the time the coal products are severed from the earth and ready for sale, whether before processing or after processing, as the case may be. Acts 1972, ch. 795, § 2; 1973, ch. 12, § 1; 1973, ch. 96, § 2; 1974, ch. 690, §§ 1, 2; 1980, ch. 912, § 1; 1981, ch. 519, §§ 1, 2; T.C.A., § 67-5902.