At any time, and from time to time, upon request of Lender, Trustor will make, execute and deliver, or will cause to be made, executed or delivered, to Lender or to Lender's designee, and when requested by Lender, cause to be filed, recorded, refiled, or rerecorded, as the case may be, at such times and in such offices and places as Lender may deem appropriate, any and all such mortgages, deeds of trust, security deeds, security agreements, financing statements, continuation statements, instruments of further assurance, certificates, and other documents as may, in the sole opinion of Lender, be necessary or desirable in order to effectuate, complete, perfect, continue, or preserve  (1)   Trustor's obligations under the Note, this Deed of Trust, and the Related Documents, and  (2)   the liens and security interests created by this Deed of Trust as first and prior liens on the Property, whether now owned or hereafter acquired by Trustor.  Unless prohibited by law or Lender agrees to the contrary in writing, Trustor shall reimburse Lender for all costs and expenses incurred in connection with the matters referred to in this paragraph.