The origin of this variation of the Texas conventional method is unknown. To some extent this variation is a marriage with the concept behind the Smolen conventional method after the opening of 1 No Trump by partner. The transfer bids are employed by the responder, when the responder holds a minimum of 6 cards in one Major suit and a minimum of 4 cards in the other Major suit. These transfer bids are also sometimes referred to, not incorrectly, as Extended Texas Transfer Bids.
The employment of the Stayman bid after partner opens 1 No Trump is only logical because the responder has two out of three, or 67% chances, that partner will have a 4-card Major suit. Only in the case that the No Trump bidder does not have a 4-card suit in either Major suit does the responder employ the Extended Texas transfer bids. These transfer bids become then delayed transfer bids.
This conventional method can also be employed if the opening is 2 No Trump since the transfer occurs on the four level and a jump will be necessary. Whether or not the partnership plays systems on or systems off by competition is a matter of partnership agreement, especially after an opening of 2 No Trump. The guidelines for such actions are generally the same as with the original version of the Texas convention.
Some partnerships have agreed to not employ the Extended Texas transfer bids if, and only if the 6-card Major suit contains one of the top three honors, either Ace, King, or Queen. The quality of the 6-card suit becomes the decisive factor. With a weaker 6-card Major suit, for example J87542, and a stronger 4 cards in the other Major suit, for example AQJ4, it is preferred that the partnership first inquire about a fit in either Major suit with Stayman.
Once the transfer has occurred, the responder does not have to automatically sign off by passing to end the auction. Any initiation of a form of Blackwood or Keycard Asking method or control cuebid becomes a slam attempt.