Software maintenance, in regard to the consumption of time and financial resources, is an extremely important phase in its life cycle. This paper explores the problem of the influence of legislative changes on the scope of maintaining a financial module of an ERP information system. The research envelopes the analysis of legislative changes in a Central European country through a period of almost three years. A software company spends time on ERP system maintenance as a result of these changes, and this time is monitored. The purpose of this research is to evaluate and predict resources needed to cover ERP software maintenance and implementation of changes based on legislative changes.

Full text: IJEIR_1874_Final.pdf