An application to vary a withholding period and/or export interval statement must contain sufficient information to demonstrate that the proposed label changes will:

(i) not result in an exceedance of established maximum residue limits (MRLs), or
(ii) support any proposed changes to MRLs.

The product, once varied as proposed, must continue to meet the safety (section 5A), efficacy (section 5B) and trade (section 5C) criteria.

Applications to vary a registered product to amend the re-entry or handling instruction may be made via:

All veterinary chemical products are date-controlled. Shelf life must be recorded, and product labels must contain information on the storage conditions and expiry date of the product. Some veterinary chemical products also have an in-use shelf life, which is the shelf life of the product after first broaching the container.