Whether something was or reasonably ought to have been within the common knowledge of the parties at the time of execution of the contract is a question of fact. (supremeadvocacy.ca)
Although the disclosure form indicated there was no sewer access, the form was not provided to the purchasers until execution of the contract. (nar.realtor)
And federal regulatory requirements were expedited to ensure timely execution of contracts and funding. (transportation.gov)