I believe this for the people who already applied for a WP under this policy and now wants to get an extension.
If you look at the webpage
here, under the
Step 6: Upload the correct documents it says that
- Documents for your initial open work permit
- Documents to extend your permit
under this pathway
The first one should be the case that you need to do if you're applying for a WP for the first time under this policy (even if you have a valid PGWP) and the term
You can apply up to 4 months before your current work permit expires. is applicable if you're looking to extend your TR2PR-WP under this policy. Meaning that you already got one and now you're looking to extend (for various reasons like your passport got renewed, etc.)
I also saw that one of the required documents for initial open work permit is a "Proof that you were allowed to work when you applied for permanent residence" and I think this should be our PGWP.
Let's see what are other people's opinions and thoughts on this.