Revenue Recognition or Realisation
The resources of business are utilized to earn revenue through sale of goods or rendering of services.The American Accounting Association described revenue as "the monetary expression of the aggregate of products or services transferred through an enterprise to its customers during a period of time" and according to Robert N Anthony "revenue is being considered as earned the date at that it is realized that is the date while goods or services are furnished to the customers in exchange for cash or for other valuable consideration.
Therefore the revenue is considered realized while the sales process is complete and transfer of title or ownership takes place. Therefore it is not essential that cash inflow should take place.