Jacoby 2NT

• 3/3 or 3 of other major shows a singleton in that suit.
• 3 of our major shows 18 or more HCP
• 3NT shows 15-17 HCP
• 4 of our major shows less than 15 HCP
• 4/4 or 4 of the other major shows (depending on agreement)
  • 1. void or
  • 2. a second 5 card suit headed by no less than QJ.