According to article 6.1 Royal Decree 1112/2018, of 7 september on accessibility of websites and applications for mobile devices in the public sector for the content of websites and applications for mobile devices is compliance with accessibility requirements must comply with the harmonised standards or parts of Those whose references have to be published in the official journal of the european Union (DOUE).
The 21 december 2018 published in the official journal of the european union Implementation decision (EU) 2018/2048 of 20 december 2018 on the harmonized rule applicable to the websites and applications for mobile devices drafted in support of the directive (EU) 2016/2102 of the european parliament and council.
Through this decision established that the standard for compliance with the Directive (EU) 2016/2102 it was the norm
This rule, in line with the WCAG 2.1 included in the the relationship between the content of the rule and the essential requirements of the directive.
That version of the european standard materialized in the spanish rule UNE-EN 301549:2019 “ accessibility requirements for ict products ” published by AENOR in may 2019.
The 12 august 2021 the european commission published in the official journal of the european union Implementation decision (EU) 2021/1339 of 11 august 2021 amending implementation decision (EU) 2018/2048 with regard to the harmonized rule applicable to websites and applications for mobile devices.
The decision replaces the standard the new " 301 549 V3.2.1 (2021-03). Accessibility requirements for products and services of icts ", coexisting both standards until 11 february 2002 . From 12 february 2002 Only apply the new standard in 301 549 V3.2.1 (2021-03).
This new version of the european standard has resulted in the spanish rule UNE-EN 301549:2022 “ accessibility requirements for ict products ” published by AENOR in january 2002.