No, the March 31st deadline only applies to the Professional Development Dossier. Keep in mind that you cannot renew a Level One license online.
You can renew a level 1 license at any time during the 3 year period of the license provided that you have been evaluated at least once while holding the level 1 license, have satisfactorily demonstrated the competencies and your employer recommends you for the next level of license.
All licenses may be renewed within 6 months of their expiration date.
You can contact the NMPED at 505-827-1436 if you have any further questions regarding license renewal.