A minimum of two witnesses are required to secure a conviction in a case involving capital or corporal punishment. Individuals who testify falsely are liable to receive the punishment that they sought to have imposed upon their innocent victim. The procedure for battle is outlined in this section. When approaching the battlefield, a kohen addresses the troops, admonishing them not to fear the enemy, and listing the various individuals who are exempt from military duty, such as one who has recently betrothed a woman or built a new home, or a fainthearted and fearful person.