Act 17 Trademarks Act 2010 proper, would not be contrary to the public interest, the registrar may register the proposed registered user as a registered user in respect of the goods or services as to which he or she is satisfied. (9) The registrar shall refuse an application under subsection (6) if it appears to him or her that the grant of the application would tend to facilitate trafficking in a trademark. (10) The registrar shall, if required by an applicant, take steps for securing that the information given for the purposes of an application under subsection (7) other than the matter entered in the register is not disclosed to rivals in trade. 50. Variation or cancellation of registration as a registered user. (1) Without prejudice to section 79, the registration of a person as a registered user may be— (a) varied by the registrar as regards the goods or services in respect of which or any conditions or restrictions subject to which, it has effect, on application in the prescribed manner by the registered owner of the trademark to which the registration relates; (b) cancelled by the registrar on application in the prescribed manner by the registered owner or by the registered user or by any of other registered user of the trademark; or (c) cancelled by the registrar on application in the prescribed manner by a person on any of the following grounds that(i) the registered user has used the trademark otherwise than by way of the permitted use or in such a way as to cause or to be likely to cause, deception or confusion; (ii) the owner or the registered user misrepresented or failed to disclose some fact material to the application for the registration or that the circumstances have materially changed since the date of the registration; or 50