British Standards Document
BS EN 1303
Building hardware. Cylinders for locks. Requirements and test methods

https://doi.org/10.3403/30264196U

BS EN 1303 is maintained by B/538/4. The current release of this standard is:

BS EN 1303:2015 Building hardware. Cylinders for locks. Requirements and test methods

https://doi.org/10.3403/30264196 (published 30/06/2015)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 1303:2005 [current until 30/06/2015]
BS EN 1303:1998 [current until 22/03/2005]