'it has frozen' is correct and usable in written English.
You can use it to describe a physical change in which something has gone from a liquid to a solid state. For example, "The water in the lake has frozen this winter."
Unless the court plans to periodically take up such cases in the future to adjust its rule, it has frozen a position that is certain to become outdated, if it is not already.
Google's social network, Google+, which opened up to all comers in September, likewise wants the real names its users are known by offline, and it has frozen the accounts of some perceived offenders.
It has frozen most hiring, may cut its travel budget and is paying its first-quarter 2001 bonuses entirely in company shares.
The 79%-taxpayer-owned bank has already said it has frozen the bonuses of 18 traders as its review continues.
In response to complaints that the corporation is larded with highly paid managers, it has frozen some salaries and, it says, reduced its senior management payroll by 18 percent since August 2009.
It has frozen the assets of several top officials.
Germany's leading motoring club, ADAC, issued a statement immediately after the vote saying that it had frozen its participation with F.I.A.
The preservation science was in its infancy, however, and in December last year Alcor announced that, aided by technological breakthroughs, it had frozen its 142nd patient.
Meanwhile, the European Union told Egypt's Illicit Gains Authority IGAA) it had frozen Al Sherif's assets in its member countries, according to the paper Al Masri Al Youm.
On February 28 the United States announced that it had frozen $30 billion in Libyan assets linked to Qaddafi.
