Yes, but that makes them an agent of the owner, which requires a license.
Basically, they can only do "dumb" things - follow instructions. If they make a decision, they have to be licensed. Choosing who to give work to is a decision.
Right. If it's pre-designated then you're fine as you're not making a decision. The other grey area is making decisions about what work that vendor will perform. Often there are many solutions to a work order.
