My Word Is My BondSource Inner Sea Races pg. 196
Requirement(s) Human - Taldan
Your reliability is a core part of your self-image. Once per day, you can gain a +1 trait bonus on an attack roll, saving throw, or skill check if success on that check is directly relevant to fulfilling a verbal or written agreement you have made. You must choose to use this trait before rolling, and this ability does not work if you initiated the agreement for the purpose of activating this ability.