The Restatement 2d of Contracts finished in 1981, added concepts of temporary and partial impracticability and also restitution or reliance damages to ameliorate loss. While traditional application of such doctrines would lead to a finding that the contract automatically terminates, other cases state that if the frustration or impracticability is only temporary, then so is the hold on obligations (i.e. paying rent on office space when Santa Clara County ordinance forbids non-essential office use). This will obviously be only temporary.