Part 4 - LIABILITY OF PARTIES

Section 3-401 - Signature necessary for liability on instrument
Section 3-402 - Signature by representative
Section 3-403 - Unauthorized signature
Section 3-404 - Impostors; fictitious payees
Section 3-405 - Employer's responsibility for fraudulent indorsement by employee
Section 3-406 - Negligence contributing to forged signature or alteration of instrument
Section 3-407 - Alteration
Section 3-408 - Drawee not liable on unaccepted draft
Section 3-409 - Acceptance of draft; certified check
Section 3-410 - Acceptance varying draft
Section 3-411 - Refusal to pay cashier's checks, teller's checks, and certified checks
Section 3-412 - Obligation of issuer of note or cashier's check
Section 3-413 - Obligation of acceptor
Section 3-414 - Obligation of drawer
Section 3-415 - Obligation of indorser
Section 3-416 - Transfer warranties
Section 3-417 - Presentment warranties
Section 3-418 - Payment or acceptance by mistake
Section 3-419 - Instruments signed for accommodation
Section 3-420 - Conversion of instrument