I wouldn't go so far as to say extremely. The record shows your intent, if you make your intentions known there can be no mistaking it for something else. This is "extremely" important when dealing with any entity who attempts to bind you
Printed copy · Anthology Volume 9, page 1464Printed copy from The Tender For Law Anthology, Volume 9, page 1464 (printed 13 June 2014). Added by this site; not part of the Facebook export.