21.—(1) The Secretary of State may license crop inspectors, seed samplers and seed testing stations to act under these Regulations.
(2) Before licensing a crop inspector or seed sampler the Secretary of State must be satisfied that the person is competent to act as such, and has passed an examination specified by the Secretary of State.
(3) Before licensing a seed testing station the Secretary of State must be satisfied that the station has adequate premises, qualified personnel and equipment to test for the purposes of these Regulations.
(4) A licensed crop inspector, seed inspector or seed testing station may charge reasonable fees for carrying out functions under these Regulations but may not derive any private gain in connection with the carrying out of such functions.