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Hi my question is very similar to the original one, but I'm not sure how I would be making an "estimated" payment for 2016, because in TT for CA Form 568 it clearly states it is Taxable year 2015.  I formed a single member LLC in CA in July 2015.  I paid $800 to the FTB in Nov 2015 using the voucher in Form 2015 FTB 3522.  It is now April 2016 and I'm filing my taxes which include the LLC.  TT is asking me to fill out what appears to be a 2015 Form 568.  Haven't I already paid for taxable year 2015?  And if so, would a payment now sent with this 2015 Form 568 be applied to taxable year 2016 as "estimated"?  Can I not just wait until April 2017 to file the 2016 Form 568?  (the LLC will not be generating over 250K annual revenue).  Thank you for your assistance.