The Compendium of Caraka 6.24.5

6.24.5

vidhibhirvedavihitairvā yajadbhirmahātmabhiḥ/
dṛśyā spṛśyā prakalpyā ca yajñīyā yajñasiddhaye//

by great-souled men sacrificing with rites prescribed in the Veda / she is to be seen, touched, prepared, and used in sacrifice for the accomplishment of the sacrifice;