| Main | 
| Number 
 | Title | Status | Questions | 
| BT.1203-3 (01/2022) 
 | User requirements for generic video bit-rate reduction coding of digital TV signals for an end-to-end television system | In force (Main) 
 | 12-3/3 | 
| 
 | 
| Previous versions | 
| Number 
 | Title | Status | Questions | 
| BT.1203-1 (01/07) 
 | User requirements for generic video bit-rate reduction coding of digital TV signals for an end-to-end television system | Superseded 
 | 12/6 | 
| BT.1203-0 (10/95) 
 | User requirements for generic bit-rate reduction coding of digital TV signals (SDTV, EDTV and HDTV) for an end-to-end television system | Superseded 
 | N/A | 
| BT.1203-2 (02/2015) 
 | User requirements for generic video bit-rate reduction coding of digital TV signals for an end-to-end television system | Superseded 
 | N/A |