Addendum:
I looked over YD 81:7
I could find nothing re: Tinon and timtum in Tur and nosei keilav
OTOH the Rema in SA triggers quite a bit.
See
Taz 12
Shach, 24,25
GRA 31:33
Mishb'zos Zahav 12 who cites a Pri Hadash 26 which I cannot find
The mar'eh m'qomos in Rema cites Ran in the name of Rashba
ZP
RRW
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