Food and Drug Regulations

B.20.003 The provisions of B.20.002 do not apply to original unblended black tea that contains, on the dry basis, not less than 25 per cent water-soluble extractive, as determined by official method FO-37, Determination of Water-Soluble Extractive in Tea, October 15, 1981, and not less than four per cent and not more than seven per cent total ash, and is packaged according to good commercial practice in the country of origin.