"beginning with" adjunct

[nschneid]

beginning with the 1995 crop year , the Corporation shall offer _. to producers additional prevented planting coverage that _. insures producers against losses in accordance with this paragraph .

"Beginning with the 1995 crop year" looks a lot like a PP, but I can't find "beginning" as a preposition in CGEL or SEW.

cf. starting/ending with

Should it rather be analyzed as a VP (or clause) functioning as adjunct??

[nschneid]

p. 640 On PPs with PP complements: "Only a few items select the other grammaticised prepositions. On is selected only by consequent, and with only by together"

cf. "Starting at noon, we will serve lunch."

[BrettRey]

I think I'd say that it can be a PP, as in (1 & 2) but usually isn't, same for starting at. Ending with is likely less far along on the path to becoming a P.

1. On Thursday, Nov. 8 beginning at 11 p.m. there will be a full closure of Route 7.
2. However, beginning at age nine there was a significant difference in behavior.