Users are locked until they will registration payment, as soon as related
invoice is stopped.

It was generating incorrect payment transactions.

This is script for payable, so in case of receivable its value have to be
negated.

This is for payable, not receivable part.

Positive balance on this account means, that mirror_section_uid "owns" money to
section_uid.

It will allow to detect divergences.

It allows global builders to add tax lines and generate accounting.

As they can come from multiple simulation movements, ignore date divergence.

There shall be none data change.