2017 New York Laws
GOB - General Obligations
Article 1 - Short Title; Construction; Applicability of Certain Sections
Title 2 - Construction; Applicability of Certain Sections
1-203 - Provisions Excluding Application of Certain Sections to Matters Previous to Dates of Their Original Enactment.

 1-203. Provisions  excluding  application  of  certain  sections  to
  matters previous to dates of their original enactment. 1. Section  1-202
  applies to all obligations arising on or after September first, nineteen
  hundred seventy-four.
2.  Section  3-101  applies  to  contracts  made  on  or  after  April
  thirteenth, nineteen hundred forty-one.
3. Section 3-107 applies to  contracts  made  on  or  after  September
  first, nineteen hundred sixty-one.
5. Section 3-311 does not affect any interest or right of survivorship
  existing prior to April twentieth, nineteen hundred fifty-nine.
7.  Subdivision  two of section 3-313 does not affect any right, cause
  of action or defense existing prior to September first, nineteen hundred
  thirty-seven.
9. Section 5-301 applies to undertakings or promises made on or  after
  January twenty-fifth, nineteen hundred thirty-five.
11.  Section  5-903  applies  to  contracts  executed or renewed after
  October first, nineteen hundred sixty-one.
13. Section 5-1103 applies to agreements made on or after April sixth,
  nineteen hundred thirty-six; sections 5-1105, 5-1107 and 5-1109 apply to
  assignments, promises or  offers  made  on  or  after  September  first,
  nineteen hundred forty-one.
15.  Section  5-1115  applies  to deeds or conveyances delivered on or
  after September first, nineteen hundred forty-four.
17. Section 5-1311 applies to contracts made after  May  twenty-sixth,
  nineteen hundred thirty-six.
19. Section 9-101 applies to injuries sustained after September first,
  nineteen hundred forty-six.
21.  Section  13-107  applies to transfers made after September first,
  nineteen hundred fifty.
23. Title 1 of Article 15 applies to obligations arising on  or  after
  April sixth, nineteen hundred twenty-eight.
25.  a.  Subdivision  one  of  section 15-301 applies to agreements or
  instruments executed on  or  after  September  first,  nineteen  hundred
  forty-one.
b.  Subdivisions  two,  three  and  four  of  section  15-301 apply to
  agreements or instruments executed on or after September first, nineteen
  hundred fifty-two.
c. Subdivision five of section 15-301 applies to agreements, evidences
  of termination, notices  of  termination  or  waivers  with  respect  to
  agreements  or  other  instruments  executed  on  or  after April fifth,
  nineteen hundred forty-four.
27. Section 15-303 applies to written instruments executed on or after
  April third, nineteen hundred thirty-six.
29. Section 15-501 applies to executory accords made on or after March
  eighteenth, nineteen hundred thirty-seven.
31. Subdivision one of section 15-503 applies to  offers  made  on  or
  after March eighteenth, nineteen hundred thirty-seven.
33.  Section  17-103  applies  to  promises made on or after September
  first, nineteen hundred sixty-one.
35. Section 17-105 applies to waivers, promises, agreements,  recitals
  and  acknowledgments  made on or after September first, nineteen hundred
  sixty-one.
37. Section 17-107 applies to payments  made  on  or  after  September
  first, nineteen hundred sixty-one.