(a) is of a specified variety; and (b) is of known derivation; and (c) has been produced by a registered seed producer; and (d) has been produced on the land designated in the register; and (e) has been sown, cultivated and produced as prescribed; and (f) has been inspected during cultivation as prescribed; and (g) has been tested in the manner prescribed and found to conform to the standards of germination and purity prescribed for seed of that specified variety; the Minister may certify such seed as Zambia certified seed. (2) Upon certification by the Minister of any such seed as Zambia certified seed, the Certifying Authority shall issue to the registered seed producer a certificate in the prescribed form in respect of such seed, and shall cause the prescribed particulars of such certification to be entered as prescribed in the register of seed producers. (As amended by Act No. 21 of 1995) 60. No registered seed producer shall use for the production of Zambia certified seed any certified seed which has not been approved for such purpose by the Certifying Authority, nor any other prescribed seed which has not been approved by the Minister under section fifty-eight. (As amended by Act No. 21 of 1995) Zambia certified seed to be produced from approved seed 61. (1) Upon any sale of Zambia certified seed, as Zambia certified Certificate to be seed, by any registered seed producer, he shall, at the time of such sale- produced on sale of Zambia certified seed by registered seed producer (a) produce for inspection by the buyer the prescribed certificate issued under this Part in respect of such seed; and