You can only apply for BOWP if you got your AOR . Unfortunately if you didn’t got it soon you have to apply for closed work permit. Also you can submit application for open work permit with help of letter of explanation and write that you will send Aor email as soon you get it in letter. You can apply for work permit at processing time is more than 4 months. Till that time you will get your Aor.Hope so!
my work permit will expire in February 2021. Have no restrictions on my nomination and really want to apply for the BOWP rather than the closed.