As I wrote above, it has always been illegal to commit fraud even before the penal code. Originally the public prosecutors were few and only handled major crimes. Private citizens would prosecute other offenses. As the state population grew so did the capacity for bureaucracy and by the late nineteenth century, New York had established its first penal code. Included under § 95 is the predecessor to the falsifying business documents statute. This codified part of the existing common law doctrines in a situation where the state/public is the victim. The original language makes it easy to see the relation to fraud and forgery:
"FORGING, STEALING, MUTILATING AND FALSIFYING JUDICIAL AND PUBLIC RECORDS AND DOCUMENTS.
"§ 94. […]
“§ 95. A person who knowingly procures or offers any false or forged instrument to be filed, registered or recorded in any public office within this state, which instrument, if genuine, might be filed or registered or recorded under any law of this state or of the United States, is guilty of felony.”
An Act to establish a Penal Code, ch. 676, § 95, 1 N.Y. Laws 913, 3 N.Y. Laws 23 (1881).
The first case I could find relying on the statute involved traditional forgery of a signature on the deed for a house. People v. Valentine, 26 N.Y.Crim.R. 433 (1911).
In 1909 the penal code was reorganized with no substantial change to the provision, except that it was renumbered to § 2051:
“§ 2051. Offering false or forged instruments to be filed or recorded. A person who knowingly procures or offers any false or forged instrument to be filed, registered or recorded in any public office within this state, which instrument, if genuine, might be filed or registered or recorded under any law of this state or of the United States, is guilty of felony.”
An Act providing for the punishment of crime, ch. 88, art. 184, § 2051, 4 N.Y. Laws 2681, 2963 (1909).
The first case I could find interpreting the 1909 statute is dated 1929,
“Section 2051 of the Penal Law cannot be so construed as to make an issue of every instrument filed, otherwise genuine, but containing statements that may be false, as here, the several values and contract prices mentioned in a notice filed under the Mechanic’s Lien Law. The indictment says he had a right to file the notice, but not for the amounts stated therein. The legislative intention was to cover the instrument itself, and not the several statements therein contained.”
People v. Cantor, 234 N.Y.S. 591, 591 (Co. Ct. 1929).
In 1965 the whole penal code was revised (again), this time with changes to the substance of the provision. Forgery was separated from tampering and falsification of records. To your main question, this is when falsification of business records was added, as distinguished from tampering with the public record. The relevant provisions are §§ 175.00-175.15:
"§ 175.00 Falsifying business records; definitions of terms.
"The following definitions are applicable to sections 175.05 and 175.10:
"1. ‘Enterprise’ means any entity of one or more persons, corporate or
otherwise, public or private, engaged in business, commercial,
professional, industrial, eleemosynary, social, political or
governmental activity.
"2. ‘Business record’ means any writing or article kept or maintained by an enterprise for the
purpose of evidencing or reflecting its condition or activity.
"§ 175.05 Falsifying business records in the second degree.
"A person is guilty of falsifying business records in the second degree when, with intent to defraud, he:
"1. Makes or causes a false entry in the business records of an enterprise; or
"2. Alters, erases, obliterates, deletes, removes or destroys a true entry in the business records of an enterprise; or
"3. Omits to make a true entry in the business records of an enterprise in violation of a duty to do so which he knows to be imposed upon him by law or by the nature of his position; or
"4. Prevents the making of a true entry or causes the omission thereof in the business records of an enterprise.
"Falsifying business records in the second degree is a class A misdemeanor.
"§ 175.10 Falsifying business records in the first degree.
"A person is guilty of falsifying business records in the first degree when he commits the crime of falsifying business records in the second degree, and when his intent to defraud includes an intent to commit another crime or to aid or conceal the commission thereof.
"Falsifying business records in the first degree is a class E felony.
"§ 175.15 Falsifying business records; defense.
“In any prosecution for falsifying business records, it is an affirmative defense that the defendant was a clerk, bookkeeper or other employee who, without personal benefit, merely executed the orders of his employer or of a superior officer or employee generally authorized to direct his activities.”
An Act providing for the punishment of offenses, ch. 1030, art. 175, 2 N.Y. Laws 2343, 2417-20 (1965).
The only amendment since 1965 has been adding electronic media to the definitions section.
~Max