C. (1) If, in any country, use of the registered mark is compulsory, the registration may be cancelled only after a reasonable period, and then only if the person concerned does not justify his inaction.

• C.；（1）如果在任何国家，注册商标的使用是强制的，只有经过适当的期间，而且只有有关人员不能证明其不使用有正当理由，才可以取消注册。