After a 1NT rebid 2§ forces 2¨ (opener has no options) Responders rebids are invitational.

After a 1NT rebid 2¨ is a game force. We bid ©s first at this point

After a 1NT rebid 3§ is always to play

After a 1NT rebid 3¨, 3©, 3ª are slammish one suiters , two suiters or raises. § slam trys must start with 2¨

After a 1NT rebid over a 1© response ,2ª = 44 majors 10-12

After a 1NT rebid 2 of a major shows no invitational strength

After a 1NT rebid 2NT is natural with no 5 card suits. With a 5 card suit and invitational values, responder bids 2§ first and over 2¨ bids 2NT

By passed hand revert to new minor forcing