Which of the following accurately describes the Authority's powers regarding the examination of re-insurance treaties under the Insurance Act?

Section 101C. Examination of re-insurance treaties.—The Authority may, at any time-(a) call upon an insurer to submit for his examination at the principal place of business of the insurer in India all re-insurance treaties and other re-insurance contracts entered into by the insurer; (b) examine any officer of the insurer on oath in relation to any such document as is referred to in clause (a) above; or (c) by notice in writing, require any insurer to supply him with copies of any of the documents referred to in clause (a), certified by a principal officer of the insurer.