This International Standard specifies simple inter-nationally recognizable markings for distinguishing exposed roll films. This is to ensure that exposed roll films, when handed to photofinishers, will be easy to sort and will not be processed incorrectly.
This International Standard applies to all types and sizes of roll film as defined in ISO 732.
BS ISO 1048:1991 history
0000 BS ISO 1048:1991(2000)
1995BS ISO 1048:1995 Photography. Exposed roll films. Identification
1995BS ISO 1048:1991 Photography - Exposed roll films - Identification