2021UNE-EN 300743 V1.6.1:2021 Digital Video Broadcasting (DVB);Subtitling systems (Endorsed by Asociación Española de Normalización in August of 2021.)
2020UNE-EN 300743 V1.4.1:2020 Digital Video Broadcasting (DVB); Subtitling systems (Endorsed by Asociación Española de Normalización in June of 2020.)
2020UNE-EN 300743 V1.3.1:2020 Digital Video Broadcasting (DVB); Subtitling systems (Endorsed by Asociación Española de Normalización in June of 2020.)
2018UNE-EN 300743 V1.5.1:2018 Digital Video Broadcasting (DVB); Subtitling systems (Endorsed by Asociación Española de Normalización in December of 2018.)
2004UNE-EN 300743 V1.2.1:2004 Digital Video Broadcasting (DVB). Subtitling systems (Endorsed by AENOR in May of 2004.)