SCHEDULE 1Marketing authorisations
PART 4Variations of marketing authorisations on the application of the holder
Changes after a marketing authorisation has been issued36
After a marketing authorisation has been issued, the holder must take account of scientific and technical progress in manufacturing and control methods, and apply to the Secretary of State for any variation in the marketing authorisation that may be required to enable that veterinary medicinal product to be manufactured and checked by means of generally accepted scientific methods.