This excerpt taken from the BMS 10-K filed Mar 15, 2006.
Sec. 11.5 Records. Each Participating Employer, each fiduciary with respect to the Plan, and each other person performing any functions in the operation or administration of the Plan or the management or control of the assets of the Plan shall keep such records as may be necessary or appropriate in the discharge of their respective functions hereunder, including records required by ERISA or any other applicable law. Records shall be retained as long as necessary for the proper administration of the Plan and at least for any period required by said Act or other applicable law.