Under ERISA, the plan administrator is obligated to provide certain documents to any participant or beneficiary under the plan when requested in writing. The documents that must be provided include the latest updated SPD (including interim summaries of material modifications), the latest annual report (i.e., Form 5500), any terminal report (i.e., final Form 5500 for a terminated plan), any bargaining agreement, any trust agreement, and “any contract or other instruments under which the plan is