Registration to the full ACM-BCB 2022 conference covers the CNB-MAC workshop (and all other workshops and tutorials). Please be sure to register through the ACM-BCB website (early bird registration ends Friday, July 15):
https://acm-bcb.org/2022/index.php?page=registration
The workshop will be located at the ACM-BCB venue, which also includes a room block for the conference. You can reserve hotel rooms through the ACM-BCB website (room block deadline is also Friday, July 15):
CNB-MAC 