grounds.

A person is guilty of criminal sale of a controlled substance in or near school grounds when he knowingly and unlawfully sells:

1. a controlled substance in violation of any one of subdivisions one through six-a of section 220.34 of this article, when such sale takes place upon school grounds or on a school bus; or

2. a controlled substance in violation of any one of subdivisions one through eight of section 220.39 of this article, when such sale takes place upon school grounds or on a school bus; or

3. a controlled substance in violation of any one of subdivisions one through six of section 220.34 of this article, when such sale takes place upon the grounds of a child day care or educational facility under circumstances evincing knowledge by the defendant that such sale is taking place upon such grounds; or

4. a controlled substance in violation of any one of subdivisions one through eight of section 220.39 of this article, when such sale takes place upon the grounds of a child day care or educational facility under circumstances evincing knowledge by the defendant that such sale is taking place upon such grounds.

5. For purposes of subdivisions three and four of this section, "the grounds of a child day care or educational facility" means (a) in or on or within any building, structure, athletic playing field, a playground or land contained within the real property boundary line of a public or private child day care center as such term is defined in paragraph (c) of subdivision one of section three hundred ninety of the social services law, or nursery, pre-kindergarten or kindergarten, or (b) any area accessible to the public located within one thousand feet of the real property boundary line comprising any such facility or any parked automobile or other parked vehicle located within one thousand feet of the real property boundary line comprising any such facility. For the purposes of this section an "area accessible to the public" shall mean sidewalks, streets, parking lots, parks, playgrounds, stores and restaurants.

6. For the purposes of this section, a rebuttable presumption shall be established that a person has knowledge that they are within the grounds of a child day care or educational facility when notice is conspicuously posted of the presence or proximity of such facility.

Criminal sale of a controlled substance in or near school grounds is a class B felony.