Is there any existing information about asbestos in the building?
You should try to collect as much information as you can about any previous asbestos record as it will help with the next step, 'Inspect your building'
Try to get a copy of any reports or plans relating to the building. The building plans may not have any information about asbestos but a copy is useful for noting down your findings.
In addition you can:
If you can't find the information don't worry. It is useful but not essential. You should continue to the next step.