Things, Which Can Be Killed, and the Obligatory Expiation for It

12. Ahmad ibn Muhammad from has narrated from Ahmad al-Qalanisiy from Ahmad ibn al-Walid from Aban from abu al-Jarud who has said the following: “I once asked abu ‘Abd Allah عليه السلام, about the case of scratching my head in the state of Ihram when a louse fell off. He (the Imam) said, ‘It is not harmful.’ I then asked, ‘What you want me to pay for it?’ He (the Imam) said, ‘I place nothing on you to pay for a louse. There is not anything for it upon you.’”