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- Affiliates must sign and abide by the term of the CrossRef Affiliate Terms of Use
- Affiliates must pay the fees listed in the CrossRef Schedule of Fees
- The Annual Admininstrative Fee is based on the number of new records added to the Affiliates service(s) and/or product(s) available online
- There are no per-DOI retrieval fees. There are no fees based on the number of links created with the Digital Identifiers.
- Affiliates may "cache" retrieved DOIs (i.e. store them in their local systems)
- The copyright owner of a journal has the sole authority to designate, or authorize an agent to designate, the depositor and resolution URL for articles that appear in that journal
- A primary journal (whether it is hosted by the publisher or included in an aggregator or database service) must be deposited in the CrossRef system before a CrossRef Member or Affiliate can retrieve DOIs for references in that article. For example, an Affiliate that hosts full text articles can only lookup DOIs for references in an article if that journal's publisher is a PILA Member and is depositing metadata for that journal in the CrossRef System
- Real-time DOI look-up by affiliates is not permitted (that is, submitting queries to retrieve DOIs on-the-fly, at the time a user clicks a link). The system is designed for DOIs to be retrieved in batch mode.

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