Every such association shall maintain a reserve fund which shall consist of the net reserve on all death benefit certificates issued after January second, one thousand nine hundred and thirty-seven, according to the table of mortality and rate of interest specified therein. When an association has completed the transfer of funds provided for in section 17:45-9 of this title and all contributions to the benefit fund on account of death benefit certificates have ceased, the reserve fund of such association shall be increased by the amount of the net reserve on death benefit certificates, issued prior to January second, one thousand nine hundred and thirty-seven, according to the reserve standard specified in section 17:45-5 of this title. Each year every such association shall file in the department of banking and insurance with its annual statement, as required by section 17:45-12 of this title, the certification of a competent actuary as to the amount of the reserve fund required by this chapter.