Article 63
Interfering with a Doping Test/
Undermining the effectiveness of doping tests 1 Anyone who is not made to undergo a doping test (either because he is not a player or because he has not been summoned, even though a player) and who interferes with the administration of a test will be sanctioned with a fine of at least CHF 10,000.
2 If a player fails to appear for a doping test in compliance with the FIFA regulations in force or if he refuses to undergo a test, he will be sanctioned as if he had been tested positive as set out in art. 62 par. 1 b).
3 The same applies if the player manipulates a test by using masking agents designed to conceal evidence.