(497) بَابُ دُعَاءُ الرَّجُلِ إِذْنُهُ
Abu Hurayra reported that the Prophet, may Allah bless him andgrant him peace, said, "When one of you gives someone an invitation andthe person you invited comes with your messenger, that is his permissionto enter."
Reference: Al-Adab Al-Mufrad 1075
In-book reference: Book 43, Hadith 25
English translation: Book 43, Hadith 1075