The paper reports on experience in creating an enterprise model compliant with the Latvian Accounting Law. The focus is on a possibility to represent parts of the law in the form of business processes. The issues that the law considers together with the information on processes are organized in related sub-models. The main elements of the enterprise model sufficient for representing issues prescribed by the regulations are presented and discussed. The suitability of the de facto business process modeling standard BPMN 2.0 for representing regulations is examined.