Intelligent transport systems. ESafety. eCall OAD for multiple Optional Additional Datasets
Edition 2020-09-04

Information technology. Open Connectivity Foundation (OCF) Specification. Core optional specification
Edition 2022-02-24

Multimedia systems and equipment. Colour measurement and management. Colour management. Optional RGB colour space. opRGB
Edition 2010-02-28

Intelligent transport systems. ECall optional additional data. Linked mobile phone number data concept
Edition 2019-09-05

Postal services. Digital, optional online connected, opening and closing systems for parcel receptacles for home use with free access for the delivery and collection operators and consumers
Edition 2020-05-12

Intelligent transport systems - ECall optional additional data - Linked mobile phone number data concept (Endorsed by Asociación Española de Normalización in October of 2019.)
Edition 2019-10-01

Postal services - Digital, optional online connected, opening and closing systems for parcel receptacles for home use with free access for the delivery and collection operators and consumers (Endorsed by Asociación Española de Normalización in April of 2021.)
Edition 2021-04-01

Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of presumptive Bacillus cereus - Colony-count technique at 30 degrees C - Amendment 1: Inclusion of optional tests (ISO 7932:2004/Amd 1:2020, Corrected version 2020-08)
Edition 2021-02-17

Aerospace series- Elements of electrical and optional connection- Test methods- Part 705: Electrical elements- Measurement of stub input impendance of couplers. (Endorsed by AENOR in April of 2002.)
Edition 2002-04-01

Aerospace series - Fasteners, externally threaded, in heat resisting steel FE PA92HT (A286) - Classification: 900 MPa/650 °C, manufacturing method optional - Technical specification (Endorsed by AENOR in July of 2008.)
Edition 2008-07-01