Denaturing Of Spirit Rules, 1972
Rule 7. Re-denaturation
Should any one of the samples on test be reported to be not properly denatured, the applicant may make a request for re-denaturation and the proper officer of Customs may, having regard to the reasons for which the request is made and all other circumstances of the case, allow the same:
Provided that the said officer shall not refuse to allow such request without giving the applicant a reasonable opportunity of being heard in the matter.