Musannaf Ibn Abi Shaybah 5683 — A man crowded out on Friday who cannot

Ibn Ulayyah said: Yunus was asked: If a man bows twice on Friday but is unable to prostrate until the imam ends the prayer, what should he do? Yunus said: I was told from al-Hasan that he should perform two prostrations, then stand up and make up the first rak'ah.