To a large degree the contract should specify the requirements.
5.2 PRODUCT LABELLING
There may be contracted checks to confirm compliance with customer approved labels and standards.
5.2.4 may be appropriate: Where the label information is the responsibility of a customer or a nominated third party the company shall provide: • information to enable the label to be accurately created • information whenever a change occurs which may affect the label information.
5.4 PRODUCT AUTHENTICITY, CLAIMS AND CHAIN OF CUSTODY
There may be contracted tests for confirmation of authenticity
5.5 PRODUCT PACKAGING
There may be contracted tests/checks for confirmation of compliance and/or legality
If you are handling other products then there may be a need for 5.4.6 The process flow for the production of products where claims are made shall be documented and potential areas for contamination or loss of identity identified. Appropriate controls shall be established to ensure the integrity of the product claims.