Standards UNE - Spanish national standards - Page 1025

Electronic invoicing - Part 3-3: Syntax binding for UN/CEFACT XML Industry Invoice D16B (Endorsed by Asociación Espanola de Normalización in September of 2020.)

Standard published on 1.9.2020

Electronic invoicing - Part 3-4: Syntax binding for UN/EDIFACT INVOIC D16B (Endorsed by Asociación Espanola de Normalización in July of 2020.)

Standard published on 1.7.2020

Electronic invoicing - Part 5: Guidelines on the use of sector or country extensions in conjunction with EN 16931-1, methodology to be applied in the real environment (Endorsed by Asociación Espanola de Normalización in November of 2025.)

Standard published on 1.11.2025

Electronic invoicing - Part 7: Methodology for the development and use of EN 16931-1 compliant structured Core Invoice Usage Specifications (Endorsed by Asociación Espanola de Normalización in July of 2020.)

Standard published on 1.7.2020

Electronic invoicing - Part 9: VAT reporting and gap analysis with current eInvoicing standardization deliverables (Endorsed by Asociación Espanola de Normalización in February of 2026.)

Standard published on 1.2.2026

Animal and vegetable fats and oils - Determination of polymerized triacylglycerols by high-performance size-exclusion chromatography (HPSEC) (ISO 16931:2009)

Standard published on 5.1.2010

Drain and sewer systems outside buildings - Pumping systems - Part 1: General requirements

Standard published on 27.3.2019

Drain and sewer systems outside buildings - Pumping systems - Part 2: Positive pressure systems

Standard published on 27.3.2019

Drain and sewer systems outside buildings - Pumping systems - Part 3: Vacuum systems

Standard published on 27.3.2019

Drain and sewer systems outside buildings - Design - Part 1: Layout principles

Standard published on 26.10.2022