Canadian Aviation Regulations

402.04 (1) No person shall act as an air traffic controller or exercise the privileges of an air traffic controller licence unless

• (a) the person holds an air traffic controller licence endorsed with a rating appropriate to the privileges being exercised and with the appropriate operational location;

• (b) the licence is valid;

• (c) the person holds a valid Category 1 or 2 medical certificate; and

• (d) the person can produce the licence and certificate when exercising those privileges.

(2) Paragraph (1)(a) does not apply to a person who, while under supervision, acts as an air traffic controller or exercises the privileges of an air traffic controller licence when undergoing

• (a) instruction, training or testing in respect of an air traffic controller licence; or

• (b) ATC unit familiarization in the course of the person’s employment.