Wage QREs can be connected directly or uploaded via CSV as well through a template. Here is a quick tutorial:
Connecting payroll data to Neo.Tax.mov
Question: What are the required columns for the CSV template?
Answer: Name, Job Title, W-2 Box 1 Wages, Contractor Wages, State, Country. The others are not required but highly recommended. For example, Employee/Manager ID is not mandatory but important for mapping employee hierarchy to show supervision of R&D from managers