The Secretary may require a person to give information, or produce a document, to the Department if the Secretary considers that the information or document may be relevant to one or more of the following:
(a) the question whether a person who has made a claim for a social security payment is or was qualified for a social security payment;
(aa) the question whether a person is or was qualified for a social security payment for which a claim is not required;
(b) the question whether a social security payment is payable to a person who is receiving the payment;
(c) the question whether a social security payment was payable to a person who has received the payment;
(d) the rate of social security payment that is or was applicable to a person;
(daa) the operation of Division 3AA or 3A of Part 3;
(da) the question whether a person who has made a claim under the Social Security (Fares Allowance) Rules 1998 was eligible for fares allowance;
(daaa) the operation of Part 3AA;
(db) the operation of Part 3B;
(e) the administration of an agreement between Australia and a foreign country on social security matters;
(f) the question whether a person who has been granted a concession card is or was qualified for the card;
(g) the question whether a person who has applied for financial supplement is eligible for the supplement;
(h) the question whether a person who has obtained a financial supplement is or was eligible for the supplement;
(i) the determination of the maximum amount of financial supplement that a person is eligible for;
(j) the question whether an assurance of support given under Chapter 2C of the 1991 Act should be accepted or rejected;
(k) an inquiry or investigation into a matter mentioned in any of the above paragraphs.