Claims to be made to the Commissioner

15. Every person having a claim other than the claim relating to gratuity or compensation for retrenchment or closure against the owner of the specified textile undertaking shall prefer such claim before the Commissioner within thirty days from the specified date. Provided that if the Commissioner is satisfied that the claimant was prevented by sufficient cause from preferring the claim within the said period of thirty days, he may entertain the claim within a further period of thirty days but not thereafter.