Originally Posted by
smc2020
Regarding regular sim time, I know the regulations allow it to be logged for currency without an instructor being present.
I read that the NPRM went into effect over the summer (July?) but when does the regulation take effect?
NPRM was issued two years ago. The changes were officially approved and published Jun 2018. The effective dates of the changes vary, you'll need to read the new rule for details.