In the event that notice of the additional members of the State committee to be elected from the county can not be given within the time prescribed in subsection c. of section 6 of this act, the additional memberships on such State committee shall be filled in the same manner as vacancies are filled under R.S. 19:5-4 by the county committee of each county to which additional members have been apportioned.
N.J.S. § 19:5-4.2