(a) Offense defined.--Except as provided in subsection (b), a person commits a misdemeanor of the third degree if he intentionally and knowingly sells or intentionally and knowingly furnishes, or purchases with the intent to sell or furnish, any liquor or malt or brewed beverages to a person who is less than 21 years of age.

(b) Exceptions.--The provisions of this section shall not apply to any religious service or ceremony which may be conducted in a private home or a place of worship where the amount of wine served does not exceed the amount reasonably, customarily and traditionally required as an integral part of the service or ceremony.

(c) Minimum penalty.--In addition to any other penalty imposed pursuant to this title or other statute, a person who is convicted of violating subsection (a) shall be sentenced to pay a fine of not less than $1,000 for the first violation and a fine of $2,500 for each subsequent violation. There shall be no authority in any court to impose on an offender any lesser sentence than the minimum sentence mandated by this subsection. No court shall have the authority to suspend any sentence as defined in this section. Nothing in this section shall prevent the sentencing court from imposing a sentence greater than the minimum sentence mandated in this subsection. In no case shall the sentence exceed the maximum sentence prescribed by law.