The annual subscription is payable on the 1st July each year, although new members joining after 1st April will have free membership the following year. Membership costs £12 for individuals (UK students: £8) and £14 for a couple. The latter receive one copy of the Society’s publications. Corporate membership rate is £50; public bodies and organisations - £14. Life membership for those aged 60 or over is set at ten times the annual rate. Overseas members should add £5 towards additional postal costs.