(4) In the case of a plan, some or all of the assets of which are held in a pooled separate account maintained by an insurance company, or a common or collective trust maintained by a bank or similar institution, a copy of the annual statement of assets and liabilities of such account or trust for the fiscal year of the account or trust which ends with or within the plan year for which the annual report is made as required to be furnished to the administrator by such account or trust under
§ 2520.103-5(c). Although the statement of assets and liabilities referred to in
§ 2520.103-5(c) shall be considered part of the plan's annual report, such statement of assets and liabilities need not be filed with the plan's annual report. See
§§ 2520.103-3 and 2520.103-4 for reporting requirements for plans some or all of the assets of which are held in a pooled separate account maintained by an insurance company, or a common or collective trust maintained by a bank or similar institution.