Skanda Purana 17.18.236

17.18.236

vedimadhye samānīto dadau tasyāsanaṃ baliḥ ..
pādyamācamanīyaṃ ca dattvārghyaṃ viṣṭaraṃ baliḥ ..
śrīkhaṃḍagaṃdhapuṣpādyaiḥ pūjayitvāgrataḥ sthitaḥ .. 236 ..

Brought into the middle of the sacrificial altar, Bali offered him a seat; / having offered water for washing the feet, water for sipping, the guest offering, and a seat of grass, / and having honoured him with sandalwood, fragrance, flowers, and the like, Bali stood before him.