17 rules in the rule sets Peppol BIS Billing 3.0 (3.0-2026.5).
GR-R-001-1
GR-R-001-2
GR-R-001-3
GR-R-001-4
GR-R-001-5
GR-R-001-6
GR-R-001-7
GR-R-002
GR-R-003
GR-R-004-1
GR-R-004-2
GR-R-005
GR-R-006
GR-R-008-2
GR-R-008-3
GR-R-009
GR-R-010