Penalty for tampering with sack or contents

5. Any person tampering with any sack containing fertilizer or with any mark placed upon any sack or in any way mixing or altering any fertilizer in any sack shall be liable to imprisonment for the period of six months or to a fine of ,450 or both such punishments, and any sacks or fertilizer contained therein in respect to which the offence shall be committed shall be liable to be confiscated.