320 No. 6 of 2016] Layout-designs of Integrated Circuits (b) may be cancelled by the Registrar on the application in writing in the prescribed manner of any person on any of the following grounds, namely: (i) that the registered user has used the layout-design otherwise than in accordance with the agreement under of section forty-three; (ii) that the proprietor or the registered user misrepresented, or failed to disclose, some fact material to the application for registration which if accurately represented or disclosed would not have justified the registration of the registered user; (iii) that the circumstances have changed since the date of registration in such a way that at the date of such application for cancellation they would not have justified registration of the registered user; or (iv) that the registration ought not to have been effected having regard to the right vested in the applicant by virtue of a contract in the performance of which he is interested. (c) may be cancelled by the Registrar on the Registrar’s own motion or on the application in writing in the prescribed manner by any person on the ground that any stipulation in the agreement between the qualified owner and the registered user regarding the layout-design is either not being enforced or is not being complied with; or (d) may be cancelled by the Registrar if the layout-design is no longer registered. Call for information relating to registered user agreements 46. (1) The Registrar may, at any time during the continuation of the registration of the registered user, by notice in writing, require the qualified owner to confirm to the Registrar within one month that the agreement filed under section forty-three continues to be in force. (2) If the qualified owner fails to furnish the confirmation within one month as required under section forty-three, the registered user ceases to be the registered user on the day immediately after the expiry of the said period and the Registrar shall notify the same.