The county of Cibola is entitled to all unpaid taxes, which remain unpaid at the effective date of this act upon property within the area embraced by the county of Cibola and any funds in the hands of the treasurer of Valencia county at the time this act [4-3A- 1 to 4-3A-14 N.M. Stat. Ann.] becomes effective, or which thereafter come into the treasurer’s hands which are properly transferable by the treasurer of Valencia county to the treasurer of Cibola county, shall be transferred in the regular course in the administration of the office upon the demand from such authority to receive same.