(1) System reproduction cost, local reproduction cost  and  the  state
equalization  rates shall be based so far as may be practicable upon the
same period price levels;
  (2)  System  reproduction  cost  shall  include  so  far  as  may   be
practicable the property constituting the railroad system from which the
railway  earnings  were  derived  for  the  latest  year included in the
average railway earnings; and
  (3) The aggregate of the local  reproduction  cost  of  each  railroad
company shall approximate the amount included in the system reproduction
cost  of  such  railroad  company on account of the property included in
such local reproduction costs so far as may be practicable.
Structure New York Laws
Title 2-A - Railroad Real Property of Intrastate Railroad Companies
489-A - Legislative Declaration.
489-C - Assessment of Real Property of Railroads.
489-D - Exemption of Railroad Real Property From Taxation.
489-F - Relationships Among Elements Used in Computation of Railroad Ceiling.
489-G - System Reproduction Cost.
489-H - Average Railway Earnings.
489-K - Unadjusted Local Reproduction Cost and Local Reproduction Cost.
489-L - State Equalization Rate.
489-M - Railroad Real Property Used for Transportation Purposes.
489-N - Tentative Determination of Railroad Ceiling; Notice, Complaints and Hearing.
489-O - Final Determination of Railroad Ceiling; Certificate.
489-P - Application of Railroad Ceiling; Computation of Exemption.
489-Q - Reports to Commissioner.
489-R - Inspection of Accounts and Property of Railroad Companies.
489-S - Estimated Railroad Ceiling.
489-T - Inapplicability of Title.
489-U - Inapplicability of Title.