Section 600. Fiscal year; county budget; tax levy

The fiscal year of the
  county shall begin on  the  first  day  of  January  and  end  with  the
  thirty-first day of December in each year. Except as otherwise expressly
  provided  in  the  alternative  form  adopted  by  the  county,  or  the
  modification or change of any such form, all provisions of article seven
  of the county law, as now in force or hereafter amended, shall  continue
  to  apply  to the county. When the county budget shall have been finally
  adopted, the board of supervisors shall  levy  the  annual  tax  in  the
  manner provided by law.