Authority or consent of parties: Page v. Jackson, 2:77
Consideration: Cooper v. Gissie et al., 28:202
Effect upon rights of parties: Cooper v. Gissie et al., 28:202
Persons making alteration and consent: Page v. Jackson, 2:77
Persons who may complain of alteration or question validity of instruments Page v, Jackson, 2:77
Ratification or waiver: Page v. Jackson, 2:77