Resist the tendency to be pompous, as if status and dignity could be increased by using long words and convoluted syntax. Someone must retain overall responsibility for the structure and logic of a document. This is also called accountability. Allow enough time for drafting and translation. Allow experts to rewrite documents before they are translated into 10 and soon 22 languages.
Experts can be outside consultants or editors - or translators can do the rewriting.
If intelligent, interested readers don't understand, that proves that the documents need to be rewritten. Keep It Short and Simple . English as a Global Language , Cambridge University Press, page 136. She has worked for the European Commission since 1972 as a translator and translation manager. She is currently head of a translation department with 250 staff translating into and out of the 11 official languages of the European Union.