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An obligor—a person who becomes obligated, under a Commercial Paper, such as a promissory note or check—by signing the instrument in conjunction with the original obligor, thereby promising to pay it in full.

The cosigner may be held equally responsible for the payment of the debt or may be required to pay only upon the failure of the original obligor to do so, depending upon state law and the terms of the agreement that also determine the rights of the cosigner.

Cosigner is synonymous with the term comaker.

See: comaker
References in periodicals archive ?
During the past two years, Co-Signer has been testing its approval screening processes and online platform in selected US cities and is now introducing its services via multiple channels.
They had to use their savings and their son managed to get a student loan with a US co-signer eventually.
Summary: The University of Chicago has signed a participation letter with the new International Student Loan Programme (ISLP), which will provide loans requiring no co-signer to international students at the University of Chicago Booth School of Business.
The Wharton School of the University of Pennsylvania, US, has launched a custom loan programme that will provide assistance to international MBA students who do not have a US co-signer.
Try finding a commercial source that doesn't ask a non-creditworthy applicant for a co-signer.
Sadly, no news yet if the co-signer on the mortgage is a Mr V.
The court disagreed, saying Holmes could have protested or overridden its decision in his capacity as chairman and a co-signer of the checks.
In developing policies for their group, the plan is to act as a co-signer to help locals buy equipment to work for the band, as well as invest any profits garnered from these operations into subsidizing jobs for different agreements.
Students can enroll without a co-signer if they are over 18 years old.
The co-signer on the contract can be your spouse, boyfriend/girlfriend, training partner, parent or good friend.
The NPS, with the District of Columbia as co-signer, received a $90 million FASTLANE grant from the U.