51. The Office shall fix the special accessory or secondary conditions to which each loan, line of credit or special loan is subject; the conditions pertain to the borrower’s titles, the deeds of loan, the line of credit agreements, the requirement of a third person as a surety, or for additional real security, the follow-up of a loan, a line of credit or a special loan, other measures of protection of the claim or the security of the lender and other similar matters.