'''Rule 12(b)(1)''' of the [[Federal Rules of Civil Procedure]] provides for dismissal of lawsuit in [[federal court]] based on lack of [[subject-matter jurisdiction]].
'''Rule 12(b)(1)''' of the [[Federal Rules of Civil Procedure]] provides for dismissal of lawsuit in [[federal court]] based on lack of [[subject-matter jurisdiction]].
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A [[motion]] under this rule can be made at any time, as subject matter jurisdiction can and should be raised at any stage of litigation, including for the first time on [[appeal]].
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A motion under this rule can be made at any time, as subject matter jurisdiction can and should be raised at any stage of litigation, including for the first time on appeal.