Before the petition could be heard by the courts, it had to be endorsed with the words fiat justitia on the advice of the Home Secretary and Attorney-General.
[2][3] Section 1 of the Crown Proceedings Act 1947 allows claims for which a petition would previously have been demanded to be brought in the courts directly as against any other defendant.
[4] Petition of right was not available in respect of engagements in the naval, military or civil service, which, were not generally considered as contracts of employment but as appointments enjoyed during the pleasure of the Crown.
[5] Nor was the action available for breach of public duty, e.g. a failure to perform treaty obligations, nor for trespass or negligence or other torts by Crown servants.
Ultimately, in many colonies legislation was passed with respect to claims against the government which made it unnecessary to resort to a petition of right.