Section 281. Mileage and actual valuation

1. The mileage of highways in
  towns to be used in determining the amounts to be  paid  to  such  towns
  under  the  provisions  of  this  article shall be the tables of mileage
  heretofore prepared by the state engineer, until the corrected tables of
  mileage prepared as provided in section ten of this chapter  are  filed.
  Such tables and all corrections thereof shall be filed in the department
  of transportation and with the comptroller. The actual valuation of real
  property  to  be  used  in  determining  such  amounts shall be the full
  valuation thereof, according to  the  latest  table  of  percentages  of
  assessments  as fixed and determined by the state board of real property
  services.
    2.  The  actual  valuation  shall  be  determined  by   applying   the
  percentages  contained in the latest table of percentages of assessments
  as fixed and determined by the state tax  commission,  to  the  assessed
  valuations  of  the several towns as they appear on the statement of the
  clerk of the board of supervisors for the year  prior  to  the  levy  of
  taxes  upon which is based the amounts to be paid as provided in section
  two hundred and seventy-nine.