About obtaining ARIB Standards (STD-B25)

STD Number	ARIB STD-B25
Standard Name	Conditional Access System Specifications for Digital Broadcasting

Overview, Amendment history, etc.

1. Obtaining the standard (Japanese version)

ARIB member ( regular members , supporting members and standard conference committee affiliated companies )

You can download Japanese version of standard free of charge from this website.

Nonmember

You can purchase Japanese version of standard (download product) from "ARIB Web Store".

Version	Amendment or Enactment Date (yyyy.mm.dd)	Types of materials	Nonmember	ARIB member (ID authentication required)	Remarks
6.7	2019.01.21	-	Purchase	Download

2. Obtaining the standard (English version)

ARIB members, nonmembers can also download for free.

Version	Amendment or Enactment Date (yyyy.mm.dd)	Types of materials	Nonmember / ARIB Member	Remarks
5.0-E1	2007.03.14	-	Download	English Translation
4.2-E2	2006.05.29	-	Download	English Translation