(a) N.M. Stat. Ann. Chapter 55, Article 8 does not affect an action or proceeding commenced before that article takes effect.

(b) If a security interest in a security is perfected at the date N.M. Stat. Ann. Chapter 55, Article 8 takes effect and the action by which the security interest was perfected would suffice to perfect a security interest under that article, no further action is required to continue perfection. If a security interest in a security is perfected at the date N.M. Stat. Ann. Chapter 55, Article 8 takes effect but the action by which the security interest was perfected would not suffice to perfect a security interest under that article, the security interest remains perfected for a period of four months after the effective date and continues perfected thereafter if appropriate action to perfect under N.M. Stat. Ann. Chapter 55, Article 8 is taken within that period. If a security interest is perfected at the date N.M. Stat. Ann. Chapter 55, Article 8 takes effect and the security interest can be perfected by filing under that article, a financing statement signed by the secured party instead of the debtor may be filed within that period to continue perfection or thereafter to perfect.