The Seller shall, at its expense and in compliance with all Applicable Requirements, (i) prepare and record or cause to be prepared and recorded, as required by the applicable Investor, all prior intervening Assignments of Mortgage Instruments; (ii) prepare or cause to be prepared all Assignments of Mortgage Instruments to the applicable Investor or as otherwise required by the applicable Investor; and (iii) endorse or cause to be endorsed the Mortgage Notes in blank without recourse or as otherwise required by the applicable Investor. The Seller shall deliver to the Document Custodian all original recorded Assignments of Mortgage Instruments (or a recorded copy if the county register does not return an original) promptly upon receipt of the same from the applicable recording office or otherwise.