N.Y. Public Buildings Law § 22: When appropriations are available; appropriations for two or more objects

§ 22. When appropriations are available; appropriations for two or

more objects. No item of an appropriation made for the performance of

such work shall be available, except for advertising or expenses

incurred in the preparation of plans and specifications, engineering

work or superintendence, unless one or more contracts or special orders

shall first have been made for the completion of such work within the

appropriation therefor. If an appropriation be made for the

construction, reconstruction, alteration, repair or improvement of any

state buildings in an appropriation act specifying two or more objects

for which the appropriation is made and any one of such objects shall

have been accomplished for a sum less than the amount specified in the

act, the unexpended balance shall be applicable to any other work

specified in the act.