Additional Style Help

Writing legally understandable provisions

ELCA Style Guide is the best place to start, particularly for making good word choices.

Resources

Great for writing provisions that are legally sound come from the U.S. Government:

Drafting Legal Documents on Archives.gov, especially the "Principles of Clear Writing" and the appendixes on words to avoid.
Style Manual on GovInfo.gov, as referenced by Archives.gov
Plain Language Guidelines on PlainLanguage.gov