# The Civil Procedure Rules 1998, Rule 66.4: Counterclaims, other additional claims, and set-off


(1) In a claim by the Crown for taxes, duties or penalties, the defendant cannot make a counterclaim or other additional claim or raise a defence of set-off.
(2) In any other claim by the Crown, the defendant cannot make a counterclaim or other additional claim or raise a defence of set-off which is based on a claim for repayment of taxes, duties or penalties.
(3) In proceedings by or against the Crown in the name of the Attorney-General, no counterclaim or other additional claim can be made or defence of set-off raised without the permission of the court.
(4) In proceedings by or against the Crown in the name of a government department, no counterclaim or other additional claim can be made or defence of set-off raised without the permission of the court unless the subject-matter relates to that government department.

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Source: https://www.legislation.gov.uk/uksi/1998/3132/rule/66.4 (the official version)
Page: https://openlegislation.uk/civil-procedure-rules-1998/rule-66.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.