Letters on some party invitations

• "I'm not supplying," on invitations
• Caveat initials on a party invite
• Restaurant that may charge a corking fee, for short
• "I'm not providing"
• "No liquor provided," on invites
• "Liquor not provided" letters
• "We're not serving," in evites
• Letters on a party invitation
• "I'm not providing" in evites

Wiktionary Word definitions in Wiktionary
init. 1 Bring Your Own 2 Buy Your Own