Terms and conditions make clear from the beginning what the respective rights and obligations of me and my customers are. The so-called ‘small print’ will save you a lot of time. My customers immediately know what they are dealing with. These general terms and conditions can reduce the risks. Important matters that cover the terms and conditions: Liability, Term of payment, Retention of title and Guarantee. The general terms and conditions that I use are called DNR. The New Regulations 2011 (DNR 2011) form the general industry conditions for design, advice and organization for client and contractor. It is a well-balanced and widely used arrangement for entering into contracts between advisers and clients. You can download these general terms and conditions below.