四分律行事鈔資持記 3.1129

3.1129

他部中。由體是色，上中下品，一發永定，不容更增，故不重受。受既不重，犯亦無再；雖從別發，根本已壞，無復僧用故。初標異。故下，引示。同種不重，故後犯吉；同名有重，故還三重。學悔犯殘，可證無重唯局四夷。

In other schools: because the essence is material, the high, middle, and low grades are permanently fixed once arisen and cannot be increased further, hence they are not received repeatedly. Since reception cannot be repeated, violations cannot occur again; although arising from distinct [objects], the root has already been destroyed, so there is no further use in the saṃgha. First, the difference is indicated. From "Therefore..." onward, it cites and demonstrates. Those of the same type cannot be repeated, hence a subsequent violation is a duṣkṛta; those of the same name can be repeated, hence they revert to a three-fold repetition. Practicing deśanā and violating a saṅghāvaśeṣa can prove that non-repetition is confined solely to the four pārājikas.