regulations and compliance
Title and Abstract – contains essence of the report so the reader can decide whether to read it or not.
Introduction – what is the problem?
Background – if important (maybe what led up to the problem)
Results of your research – what did you find or learn about the problem
Conclusions – what conclusions can be drawn
You might not need all of these sections. It depends upon your “problem”. However, be sure to remember a REPORT is verifiable