Income exemption for Armed Forces Flag Day Fund recipients subject to accumulation, investment, filing and audit conditions. Notification under clause (23C)(iv) of section 10 provides that any income received by any person on behalf of the Armed Forces Flag Day Fund shall not be included in the recipient's total income, subject to conditions: application or restricted accumulation of income (excess accumulation limited to five years), investment only in forms specified in section 11(5), business income excluded unless incidental with separate books, regular filing of returns, audit by an accountant with prescribed report, and transfer of surplus assets on dissolution to a like-minded organization.