One-Stop-Shop (OSS) is a special scheme for VAT. The aim is to simplify the cross-border VAT compensation for services consumed in foreign countries within the EU internal market.
billwerk supports this regulation and offers an OSS report for download. The OSS (Elster) report is generated in the format defined by the German tax authorities and the MOSS (extended) report contains additional information in a format defined by billwerk.
The prerequisite for the OSS reports to contain sales is that the option Is OSS applicable has been activated in the tax policy used:
This option can be found in the editing menu of a tax rule under "Settings > Taxes > Tax Policies".