La Poste for Domiciliation Address

Hi Valerie, I’ve watched your helpful videos mentioning PO Boxes at private services to obtain a Domiciliation Address. I’m curious about using a PO Box at La Poste, and I have two questions.

1. Can we use an an actual PO Box (boîte postale) from La Poste?
This would be with the France government Post Office, not a private service like Se Domicilier. I’m asking because our destination is Pau, and the private mail services do not offer addresses in Pau.
I understand that La Poste requires a French address to open a Poste PO Box. If that is the case, we could subscribe to Se Domicilier for just one month to establish a French address (in Toulouse or Biarritz) to use for the PO Box application at La Poste (in Pau).

2. Can we use one La Poste PO Box for two Profession Libérale visas?
I see that your reply at https://www.startbusinessinfrance.com/forum/answers/can-two-micro-enterprises-use-1-domiciliation-address-po-box says “no” for domiciliation address services, but I wasn’t sure if that applied to boîte postale at La Poste. We’d like to utilize a single PO Box for both of our businesses and also for personal mail.

And FYI, we are visiting Pau 6 months before our move, so we can visit La Poste and apply in person. And while there, we plan to us the PO Box address to apply for personal and business French bank accounts, now that funds are required to be in France prior to the visa application.

Thank you!