Section 9--708. Persons  Entitled to File Initial Financing Statement or Continuation Statement. A person may file an initial financing  statement  or  a  continuation  statement under this part if: (a) the secured party of record authorizes the filing; and (b) the filing is necessary under this part: (1) to  continue the effectiveness of a financing statement filed before Revised Article 9 takes effect; or (2) to perfect or continue the perfection of a security interest.