Section 9(6) in The Punjab Cotton Ginning and Pressing Factories Rules, 1965
(6)The special and the two integers denoting the cotton year shall be indelibly punched or stamped on any part of the central hoop of the bale in such a manner as to be clearly decipherable.Provided that if the bale is lashed with less than three hoops the marks shall be punched on either of the hoops, if two hoops be used, or near the middle of the hoop, if only one hoop be used. The letters and number used shall, in no case, be less than one quarter of an inch in length. English letters and numbers only shall be used.
