277. Variation and revocation of compulsory plant variety licences and cross licences.

277.     Variation and revocation of compulsory plant variety licences and cross licences.

The Controllers1 may extend, limit or in any other respect vary both a compulsory plant variety licence2 and a cross licence granted to the holder of plant variety rights in respect of a compulsory plant variety licence granted to a proprietor of a patent3 for a biotechnological invention4. The Controllers are also entitled to revoke the grant of a compulsory plant variety licence and a cross licence if they are satisfied that the circumstances which led to the grant of the licence or the cross