A subordination of the lender's lien position must be requested in writing by the lender and concurred in by the Agency in writing in advance of the subordination. The subordination must enhance the borrower's business and the Agency's interest. After the subordination, collateral must be adequate to secure the loan. The lien to which the guaranteed loan is subordinated must be for a fixed dollar limit and fixed or limited term, after which the guaranteed loan lien priority will be restored. Subordination to a revolving line of credit will not exceed 1 year. There must be adequate consideration for the subordination.