During periods of increased risk, where the General Licence is revoked, shows can now apply for a Specific Licence.
Applications are assessed on a case by case basis.
Further details here: https://www.gov.uk/government/publications/bird-gatherings-apply-for-a-specific-licence-for-ratites
Application Form: Word Document Format | PDF Format
This should be completed and sent to outbreak.licensing@defra.gov.uk