Just finished signing a 13-page lease that required my wife and I to initial the bottom of nearly every page. About halfway through, the lease noted that it "shall not be strictly construed against either the landlord or the tenant."
Then I can't help but think it could have been condensed.
To be fair, the phrase "this is not a contract" appeared only once in 13 pages, on a document from the state REALTORS (TM) Association. It's got a real "required by state law" feel to it, but I do not see a code sight.