(a) Subject to the requirements of subsection (c) of this section, a person who, in good faith and in a timely manner, seeks emergency medical assistance for a person who reasonably appears to be experiencing an overdose may not be held criminally responsible for a violation of the following:
(1) Purchasing, consuming or possessing wine or other alcoholic liquor by someone under age twenty-one as prohibited by subsection (a), section twenty-a, article eight, chapter sixty of this code;