Garudapurana 1.219.7

1.219.7

ekoddiṣṭaṃ puro 'vaśyaṃ tadviśeṣaṃ vade śṛṇu /
prathamaṃ nimantraṇaṃ pādaprakṣālanam āsanam /
adya amukagotrasya matpituramukadevaśarmaṇaḥ pratisāṃvatsarikamekoddiṣṭaśrāddhaṃ siddhānnena yuṣmāsvahaṃ kariṣye /
śrāddhakaraṇānujñāpanam āsanaṃ gandhādidānam annānukalpanam /
japyaṃ nivītī /
uttarābhimukhībhūyātithiśrāddhaṃ kuryāt //

Listen, I shall declare in detail the ekoddiṣṭa rite that is necessarily to be performed beforehand: / First, invitation, washing of the feet, and offering a seat: / "Today, for my father of such-and-such gotra, of such-and-such name, I shall perform the annual ekoddiṣṭa-śrāddha among you with cooked food." / Seeking permission to perform the śrāddha, seat, offering of perfumes and so on, dedication of the food; / silent recitation; wearing the sacred thread like a garland; / having turned toward the north, one should perform the atithi-śrāddha.