You may buy property that has no physical existence, but gives you a lasting economic benefit.
Some examples are milk and egg quotas.
We call this kind of property eligible capital property . The price you pay to buy this kind of property is an eligible capital expenditure . You cannot deduct the full cost of an eligible capital expenditure, since the cost is capital and the eligible capital property gives you a lasting economic benefit. However, you can deduct part of its cost each year. We call the amount you can deduct your annual allowance .