Please clarify...are you preparing a 1040 and the client was issued a 568 K-1? 

Or are you looking for the actual 568 tax return that goes along with the 1040/540?

I dont think there is a separate 568 K-1 in the 540 program.  Youd just use the K-1 that generates in the 540 from the federal K-1 you input, to make any CA adjustments.

If you need to actual 568 return, you need to download.install that from Updates > Select and Download New Products.