(a) To aid the Superior Court in determining the ability or inability of a person accused of an offense under section 3503 of this title, to retain his own counsel before such person is referred to the Office of Public Defender, he or his parent, guardian or custodian shall be required to complete, under oath, a detailed financial statement. Such financial statement shall contain a full disclosure of all assets, liabilities, current income, dependents and such other information as the court may require in order to determine whether such person should be provided legal assistance at public expense.
(b) Whenever such person is granted legal assistance by the Public Defender, the financial statement required by this subchapter shall be filed in the court file of such person and shall be retained as a permanent part thereof.