Ajuda p/o campo (PNH1INVFLG)

This field specifies if the return lines subject to a credit memo have been taken into account:
No

No lines awaiting a credit memo have been invoiced.

Totally

All lines have been invoiced.
Specificity: if no return line is awaiting a credit memo, the return is considered as totally invoiced.

Partially

Some of the lines are invoiced.