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Practice, English law. By statute 37 Geo. III., c. 90, s. 26, 28, attorneys are required to deliver to the commissioners of stamp duties, a paper or note-in writing, containing the name and usual place of residence of such person, and thereupon, on paying certain duties, such person is entitled to a certificate attesting the payment of such duties, which must be renewed yearly. And by the 30th section, an attorney is liable to the penalty of fifty pounds for practising without.