131Where a person who appears to be under nineteen years of age asks to purchase liquor from a licensee under this Act or asks to be given any liquor, the licensee or any other person to whom the request is made may, before acceding to the request, demand that proof of age satisfactory to the licensee or other person be produced by the person, and in any such case proof in accordance with section 131.2 shall be taken to be satisfactory proof of age.