Louisiana Revised Statutes Tit. 41, § 2. Accounts and lists to be kept by the commissioner

(1) Setting forth in the certificate issued therefor the section, parts of sections, township and range, district and parish, to whom and when sold, and for what price.

(2) Causing to be marked on the official plats or maps on file in his office the numbers of the certificates, which books and maps shall be bound and preserved as official records.