New York Consolidated Laws, Criminal Procedure Law - CPL § 60.42 Rules of evidence;  admissibility of evidence of victim's sexual conduct in sex offense cases

1. proves or tends to prove specific instances of the victim's prior sexual conduct with the accused;  or

2. proves or tends to prove that the victim has been convicted of an offense under section 230.00 of the penal law within three years prior to the sex offense which is the subject of the prosecution;  or

3. rebuts evidence introduced by the people of the victim's failure to engage in vaginal sexual contact, oral sexual contact, anal sexual contact or sexual contact during a given period of time;  or

4. rebuts evidence introduced by the people which proves or tends to prove that the accused is the cause of pregnancy or disease of the victim, or the source of semen found in the victim;  or

5. is determined by the court after an offer of proof by the accused outside the hearing of the jury, or such hearing as the court may require, and a statement by the court of its findings of fact essential to its determination, to be relevant and admissible in the interests of justice.