Narrated by Muhammad ibn al-Hasan ibn al-Walid, from Muhammad ibn al-Hasan al-Saffar, from Ahmad ibn Muhammad, from Ibn Abi Umayr, from Hammad, from al-Halabi, who said: Abu Abdullah عليه السلام was asked about a man who became junub during the month of Ramadan and forgot to perform ghusl until the month of Ramadan had ended. Imam عليه السلام said: "He must make up both the prayers and the fasts."