providing for the erasure by the Registrar from the register of medical practitioners of the name of any person who applies, in the manner prescribed by the regulations, for his name to be erased from the register;

providing for the refusal by the Registrar of applications under paragraph (a) above in such cases and circumstances as may be prescribed by the regulations;

making provision (including provision requiring the approval of the General Council or of one of the statutory committees) for the restoration to the register of the name of any person whose name has been erased in accordance with regulations made in pursuance of paragraph (a) above.