Section 15-1111. Duties of county; county charge; counties included within a city

1. The county legislative body or bodies shall  comply  promptly  with
  the  departments  request for lists of nominations for membership on the
  board. The county or counties shall cooperate with and assist, so far as
  is reasonable and practicable, the board in carrying out its functions.
    2. Of the  total  costs  and  expenses  incurred  by  the  department,
  twenty-five  per  cent shall be a county charge and shall be audited and
  paid as such in the manner prescribed by the county legislative body  or
  bodies.  If  more  than  one county is included within the region of the
  project, the county charge of twenty-five per cent  shall  be  equitably
  apportioned  among  them,  consideration being given to, but not limited
  to, prospective benefits to accrue to each in the event that the project
  is undertaken. If the counties fail to agree within sixty days after the
  statement of costs and expenses from the department  upon  an  equitable
  apportionment  of  the  county  charge, the department after hearing the
  counties, shall make such apportionment.
    3. With respect to any or all of the counties within the city  of  New
  York,  except  as  provided  and  limited  by  subdivision  7 of section
  15-1103:
    a. All rights, powers and  privileges  granted  to,  and  all  duties,
  obligations  and  charges  imposed  upon any county by the provisions of
  title 11 of this article, are granted to or imposed upon such city; and
    b. All rights, powers and privileges granted to the county legislative
  body of any county by  the  provisions  of  title  11  of  this  article
  (including,  but  not  limited  to the power to approve a petition for a
  survey and study and establishment of a regional planning board) and all
  duties and obligations imposed upon any such county legislative body  by
  title  11  of  this article, are granted to or imposed upon the board of
  estimate of such city.