Related Clues:

• Setup provider's abbr
• Invite abbr
• [Guests must provide their drinks]
• Party spec
• 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''
• Invitation directive
• Notation on a party invite
• Reminder to arrive with good spirits?
• Brief invite equivalent of "Drinks are not on me!"
• Brief invite equivalent of 'Drinks are not on me!'
• "No booze provided" initials