Section 34

The Director General may by notice under his hand require any person to give orally or in writing, as may be required, within a time specified in the notice (not being less than thirty days from the date of service of the notice), all such information concerning the income, assets or liabilities of a chargeable person as may be demanded of him by the Director General for the purpose of this Act:

Provided that, where that person is a public officer or an officer in the employment of a local authority or statutory authority, he shall not by virtue of this section be obliged to disclose any particulars as to which he is under a statutory obligation to observe secrecy.