Related Clues:

• Party rule, for short
• "Liquor not provided" letters
• Letters on a frat party invitation
• Inits. on a party invitation
• Directive that might be near RSVP
• Setup provider's abbr
• Invite abbr
• [Guests must provide their drinks]
• Party spec
• Invitation qualification
• Quartet often near RSVP
• Invitation advisory, or a homophonic hint to the starred answers' starts
• Abbr. about alcohol on a party invitation
• Invitation stipulation, briefly
• ''We won't be bartending''