Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 8.11.11

8.11.11

yāḥ pūrva ahṇe puronuvākyās tā apara ahṇe yājyāḥ karoti / (soma: upasadah)

Those that are the invitatory verses in the morning, he makes the offering verses in the afternoon;