REF open access exceptions

"To be eligible for REF submission, journal articles and conference proceedings must have been deposited in an open access repository at acceptance, and made open access within a specified time. UCL’s policy is that all outputs should be deposited in our institutional repository, UCL Discovery. See our page on how to comply. In certain circumstances, a paper can be submitted to the REF even though it does not comply with the REF Open Access Policy. UCL requires all exceptions to be signed off by Heads of Department. Below are the exceptions to the Policy, along with advice on what to do if they apply to you ..."