(a)  Oil  and gas rights and other elements of economic units shall be
exempt from  taxation  if  owned  by  a  school  district  or  board  of
cooperative educational services;
  (b)  Oil  and gas rights and other elements of economic units shall be
exempt from taxation if owned  by  an  organization  whose  property  is
exempt  from  taxation pursuant to section four hundred twenty-a of this
chapter, except that such property shall be taxable to the  extent  that
the  oil  and  gas  produced  is  sold  rather  than  used by the owner,
regardless of the use to which the revenues are devoted;
  (c)  Unless  a  local  law,  ordinance  or resolution has been adopted
pursuant to paragraph (a) of subdivision one  of  section  four  hundred
twenty-b  of  this  chapter,  oil  and  gas rights and other elements of
economic units shall be exempt from taxation if owned by an organization
whose property is exempt pursuant to such section four hundred twenty-b,
except that such property shall be taxable to the extent  that  the  oil
and  gas  produced  is sold rather than used by the owner, regardless of
the use to which the revenues are devoted; and
  (d) Oil and gas rights and other elements of economic units  shall  be
exempt  from  taxation  if  the  gas  produced  in  the economic unit is
collected from a landfill or used to power farm waste energy systems  or
farm  waste  electric  generating  equipment, as such term is defined in
section sixty-six-j of the public  service  law.  Such  exemption  shall
apply  to  property  on  assessment  rolls based on taxable status dates
occurring on or before December thirty-first, two thousand seventeen.
  4. Where an oil or gas economic unit is located within more  than  one
assessing  unit,  the  appropriate  county  director or county directors
shall certify to the assessors the percentage of capital  investment  in
property  located  within  each  such assessing unit. The assessor shall
apportion the assessment of economic units among  school  districts  and
special  districts  based  upon  the  percentage  of  capital investment
located within each such district.