Tenn. Code Ann. § 40-11-129: Sureties not discharged by irregularities

No sureties are discharged by reason of:

(1) The want of any of the qualifications required in this part;

(2) There not being the requisite number of sureties;

(3) Any other agreement than is expressed in the undertaking;

(4) Infancy, lunacy or any other incapacity of any of the other parties thereto; or

(5) The defendant not having joined in the same.