Unlawfully posting advertisements – NY Penal Law 145.30

1. A person is guilty of unlawfully posting advertisements when, having no right to do so nor any reasonable ground to believe that he has such right, he posts, paints or otherwise affixes to the property of another person any advertisement, poster, notice or other matter designed to benefit a person other than the owner of the property.

2. Where such matter consists of a commercial advertisement, it shall be presumed that the vendor of the specified product, service or entertainment is a person who placed such advertisement or caused it to be placed upon the property.

Unlawfully posting advertisements is a violation.