ST. TAMMANY PARISH - Two undercover operations occurred last week targeting businesses serving alcohol to those under 21. 

According to the St. Tammany Parish Sheriff's Office, a total of 65 businesses were checked during the operation. Eighteen of those clerks were issued summonses for non-compliance. 

Sheriffs did not say which businesses failed to comply. 

Clerks on both the west and east side of the parish were subject to the operation.