Effective - 28 Aug 1943
509.240. Execution of written instrument deemed confessed, when. — When any claim or counterclaim shall be founded upon any written instrument and the same shall be set up at length in the pleading or a copy attached thereto as an exhibit, the execution of such instrument shall be deemed confessed unless the party charged to have executed the same shall specifically deny the execution thereof.
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(L. 1943 p. 353 § 56)