A special promise to answer for the debt, default, or miscarriage of another, except in the cases provided for in section 22-01-05;...22-01-04.Guaranty to be in writing.--Exception--Consideration need not be expressed.--Except when a guaranty is deemed an original obligation as provided in section 22-01-05, a. guaranty must be in writing and signed by the guarantor, but the writing need not expr