People credited with this unit standard are able to describe: the objectives, principles and provisions of the Resource Management Act 1991 and its application to arboriculture; employment law in New Zealand and how it applies to arborists; the purpose of the Accident Compensation Corporation in relation to arboriculture; the application of law to tree protection in New Zealand; the application of law and bylaws to working with trees; and contract law in New Zealand, and the application of standard clauses in arboriculture contracts.