Re: Law 25B1: Between 25A and 31

Why not apply Law 31B1?
West's changed bid of 3H is actually a call out of rotation at East's turn
to call, this changed call stands and North is now in turn to call.
North is free to bid 3S and East may then make any legal call. 
Law 16C2 now applies.
(North do not have the option to refuse West's change of call!) 

-----Opprinnelig melding-----
Fra: [email protected] <[email protected]> På vegne av Volker
Walther
Sendt: onsdag 12. september 2018 17.53
Til: blml <[email protected]>
Emne: [Blml] Law 25B1: Between 25A and 31

When does the right (25B1) to accept an intended change of call cease?

The bidding

W      N     E       S
2NT    P     3T(a)   P    (a) Puppet-Stayman
3NT*  p(1)                (*) Meant to show 5 hearts.

Now West remembers that he has to bid 3H to show his hearts and replaces his
bid. North wants to accept this change; he is wants to bid 3S.


If 3NT had been unintended, we are in law 25A, 3S is an allowed bid.
p(1) is cancelled and becomes UI to E/W.
Especially we have 25A1, telling us that a replacement is allowed as long
partner did not  bid, and we 25A6, telling us how to deal with
p(1): it may be withdrawn.


If 3H  is meant to be an intended bid that should be given in the next
round,  we are in 31 (and 27). Again N is allowed to bid 3S, but this time
p(1) is not cancelled and it is AI to E/W.

But now we are somewhere between 25B1, 25B2 and 31.
31.C tells us, that a bid OOR shall be treated as a change of call,
according to law 25 as long as LHO did not call.

25B1. is telling us, that a substition may be accepted; unfortunately it
does not tell when this right is ceasing.
Did North forfeit his right to accept a change of call, when he called
p(1) over 3NT, throwing us do 25B2, or is acceptance according to 25B1 still
possible?




--
Volker Walther
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