(a) Post-lapse maintenance and retrieval of information. The filing office shall maintain a record of the information provided in a filed financing statement for at least one year after the effectiveness of the financing statement has lapsed under section 336.9-515 with respect to all secured parties of record. The record must be retrievable by using the name of the debtor and by using the file number assigned to the initial financing statement to which the record relates.
(b) Destruction of written records. Except to the extent that a statute governing disposition of public records provides otherwise, the filing office immediately may destroy any written record evidencing a financing statement. However, if the filing office destroys a written record, it shall maintain another record of the financing statement which complies with subsection (a).