Single Entry System may be defined as any system which is not exactly the Double Entry System. In other words, Single Entry System may consist of:
(i) double entry in respect of certaintmnsactions such as cashreceivedfromdebtors, cash paid tó,cedit
(ii) Single Entry in respect of certain transactions such as cash purchases, sales, expenses made fixed assets purchased. etc.,
(iii) No Entry in respect of certain transactions such as depreciation, bad debts; etc. Thus, a business is said to be using Single Entry System if it is not following completely the principles of Double Entry System of Book-keeping. Kohler defines Single Entry System as, “A system of book-keeping in which as a rule only records of cash and of personal accounts are maintained, itis always incomplete double entry varying with the circumstances”.