成唯識論述記 5.877

5.877

述曰：一一如彼說，遍行具四，無處無故。別境有初二，不緣一切境，亦非相續，非心有即有，故無時也。又此未必並生無俱。

The Commentary states: Each is as spoken there: the omnipresent factors are complete with all four, because there is no locus where they are absent. The object-contingent possess the first two; they do not take all objects as support, nor are they continuous, nor are they present whenever mind is present, and thus lack [the all of] time. Furthermore, these do not necessarily arise together, so they lack simultaneity.