The annual assessment and registration of voters in the election districts of this Commonwealth commencing on the first Monday in December, and ending on the sixty-first day before the third Tuesday in February, be, and the same is hereby, abolished and superseded; and that all the duties with respect to such December assessment and registration, or in any way appertaining or applicable thereto, heretofore required of and from the assessors in the various election districts, be, and the same are hereby, abrogated and annulled.
25 P.S. § 222a