What kind of work is specifically excluded from amounting to forced labour?

In accordance with the European Convention on Human Rights, the anti-slavery provisions of the Coroners and Justice Act 2009 recognise that forced or compulsory labour may be necessary in certain circumstances to protect public safety and the rights of others. Work done in the course of lawful detention, military service, emergencies or life-threatening situations, and work or service that forms part of normal civic obligations is specifically excluded from amounting to forced labour.