Building permit (PC)
A qualified person, whose job is to design the plan of a building and to direct its execution. The profession of architect requires both technical and artistic knowledge. It is now regulated and validated by a state diploma.
In regards to:
the building permit is an administrative file, part of the town planning authorizations as the prior declaration of work, which allows urban planning services of your municipality to check that your project complies with the rules and town planning codes. It is generally required for the realization of medium to large construction projects. The building permit is not a simple formality nor a simple form deer fill !
All about building permits on: https://www.permettezmoideconstruire.fr/edito/conseils/autorisations-urbanisme/permis-de-construire