Then have a final paragraph or subsection: "Summary of Contributions". It should list the major contributions in bullet form, mentioning in which sections they can be found. This material doubles as an outline of the rest of the paper, saving space and eliminating redundancy.
M. Shaw. ICSE '03: Proceedings of the 25th International Conference on Software Engineering, page 726--736. Washington, DC, USA, IEEE Computer Society, (2003)