Nidanasutra 2.12: athāṣṭamaḥ prapāṭhakaḥ

Now, therefore, the multi-day rites (ahīna).
The continuity of their materials has been explained.
Moreover, the ahīnas that omit the ten-day period:
there the materials of the ten-day period are established.
He removes the verses of the Śrautakakṣa from the night-rite of the ahīna,
wishing to distinguish the satra and the ahīna.
There he employs these: 'Praise, praise, O pressers...'
These containing the word suta ('pressed') replace those having the form of suta.
Concerning the middle night-round (rātriparyāya), they deliberate about the two Hotṛ-sāmans:
whether it should be the Daivodāsa or the Aurdhvasadmana.
Or there should be an option;
or rather, he should employ the Daivodāsa in an ahīna.
[Employing] the earlier lesson in the earlier place of the sacrifice, [and] the Aurdhvasadmana in satras, [employing] the later lesson in the later place of the sacrifice.
Moreover, in this [text] there is the wording of a satra:
'They also introduce the Aurdhvasadmana during the night-chants.'
Now, indeed, he says: 'It has three cadences (triṇidhana).'
How would it have three cadences?
Fixing upon these very cadences, they should enter with the verses: 'With well-fashioned songs...'

'...delighting men...'

'...in battles...'

'...or...'