Clarkson et al.’s Business Law (13th ed.)
UNAUTHORIZED SIGNATURES
Unauthorized Signature: As a general rule, unauthorized
instrument bearing an unauthorized indorsement will bear the
burden of loss, unless the unauthorized indorsement is that of
the payee, in which case the loss falls on the drawer/maker.
Imposter: One who, by use of the mails, telephone, or
example, where a dishonest employee (1) issues an
instrument on his employer’s behalf, or (2) deceives the
employer into signing an instrument payable to a party
with no right to receive payment.