Denial of the temporary restraining order was appealable, given notice to parties, the fact that it was tantamount to the denial of a preliminary injunction, and the fact that it essentially decided the merits of the action.
Where the statute governing adjudication of status refers to availability of visas at the time of filing, but is silent as to availability at the time of adjudication, administrative rule requiring availability at adjudication is a reasonable construction of the statute.