Internal maintenance is the terminology used to describe the in-house maintenance. There are some differences that separate the two as far as the software is concerned.
Internal maintenance have different privileges in the software.
Internal maintenance has the ability to not require a billing process at the end. They also have some shared control with the managers as it concerns to maintenance.
A large difference is the internal maintenance being able to generate meld requests as well as see all properties, tenants, and past work performed on all units.