Sec. 16-4. Same—Prima facie evidence in cases involving section 16-2 and 16-3.

In any court proceedings involving sections 16-2 and 16-3, the fact that the minor in question, unaccompanied by a parent, guardian or other adult person having the care and custody of such minor, is found upon a street, alley or other place mentioned in section 16-2, after 12:30 a.m. and before 5:00 a.m., shall be prima facie evidence that such minor is there unlawfully and that no reasonable excuse exists therefor and that the parent, guardian or other adult person having the care or custody of such minor knows and is permitting such minor to violate section 16-2.