Site: nolo.com
... Notice Requirement
Delaware employers that wish to keep any or all of a mandatory service charge must ... state, on the menu, placard, bill, or other notice provided to customers, that some or all of the service ... This notice must be “clear and conspicuous,” which Delaware law interprets to require at ... least 14-point type on a placard and at least 10-point type on other kinds of notices. ... If the employer doesn’t provide this notice, the entire mandatory service charge belong to the ...