According to paragraph 8(b) of your zero-rating contract, reports must include the following information on each purchase of royalty-free media: the name of the distributor(s), the date(s) of the purchase, and the type(s) and quantity(ies) of media purchased.

You will also have the opportunity to report and pay the levy for any media you purchased royalty free which were later used in ways that are not permitted under the terms of your contract (e.g. for personal use, or re-sold blank)..