十二門論宗致義記 1.5

1.5

Second, as for subsumption within the Piṭakas and sections: between the two Piṭakas of the Śrāvakas and the Bodhisattvas, it is subsumed under the Bodhisattva Piṭaka; among the three Piṭakas of Sūtra and so forth, it is subsumed under the Abhidharma Piṭaka; and among the twelve divisions, it is subsumed under the Upadeśa.