There are variations possible depending on exactly how checks are cut, and separate checks are usually a good idea.

FORBES: I'm Sending An IRS 1099: 1099 Are You Outta Your Mind?

Kendall drew up separate checks, one for the books they actually printed and another for the books he and Piasecki pretended to.

NEWYORKER: Great Experiment

While tabulating the responses they got, he did various checks and examinations, drawing on earlier research where possible, to among other things try to separate out anger and anxiety, which he conceded is not an easy thing.

FORBES: To Win People's Hearts, Make Them Angry