Shorter Catechism

Q 53. Which is the third commandment?

A. The third commandment is, Thou shalt not take the name of the LORD thy God in vain: for the LORD will not hold him guiltless that taketh his name in vain.¹

Larger Catechism

Q 111. Which is the third commandment?

A. The third commandment is, Thou shalt not take the name of the LORD thy God in vain; for the LORD will not hold him guiltless that taketh his name in vain.²