1. Outlining

2. Proposals should
Follow the customers instructions
Mirror the customers numbering system and/or naming conventions
Make answers easy to locate
Visually emphasise key points
White space, Colour, Bold, etc.
3. When adding structure:
Confirm compliance with the customers instructions
Do not interfere with the core numbering system and/or naming conventions
Announce organisation; then follow it
Order points in decreasing order of importance
Group similar ideas