Technical guide: http://docs.oasis-open.org/ubl/os-UBL-2.0/UBL-2.0.pdf
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-Catalogue-2.0.xsd
Textile Clothing Footwear use profile:
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-OrderChange-2.0.xsd
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-OrderResponseSimple-2.0.xsd
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-OrderResponse-2.0.xsd
XML Schema (eBIZ-TCF-v2008-1 customization of UBL 2.0): http://www.moda-ml.net/ebiz-retail/repository/schema/v2013-1/maindoc/eBiz-TCF-InstructionForReturns.xsd
XML Schema (eBIZ-TCF-v2008-1 customization of UBL 2.0): http://www.moda-ml.net/ebiz-retail/repository/schema/v2013-1/maindoc/eBiz-TCF-InventoryMovementReport.xsd
XML Schema (eBIZ-TCF-v2008-1 customization of UBL 2.0): http://www.moda-ml.net/ebiz-retail/repository/schema/v2013-1/maindoc/eBiz-TCF-InventoryReport.xsd
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-Invoice-2.0.xsd
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-Order-2.0.xsd
XML Schema (UBL 2.0): http://docs.oasis-open.org/ubl/os-UBL-2.0/xsd/maindoc/UBL-DespatchAdvice-2.0.xsd
XML Schema (eBIZ-TCF-v2008-1 customization of UBL 2.0): http://www.moda-ml.net/ebiz-retail/repository/schema/v2013-1/maindoc/eBiz-TCF-SalesReport.xsd