California does not have its own version of 3115.
Correct, no bonus depr in CA, but you can use the shorter lives from the cost seg study components breakout for CA lives to accelerate the timeline of MACRS.
You'll show the fed/state difference adjustments on FTB Form 3885A. Those should roll up to Schedule CA540 for fed/state diffs.
The 3115 will be with the Fed return that should go with the CA return when you file. Your software may give additional diagnostics of what it wants attached and how it wants it configured.
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