January 16, 2018 is the final day to submit 2017 apportionment payments.
Any money received after this date will be applied to your 2018 Connectional Apportionment, even if you mail it prior to 1/16.
Go here to check the most current 2017 apportionment report
Money received that is not clearly marked for 2018 will be applied to your 2017 Connectional Apportionment if it has not been paid in full.
Do not combine 2017 and 2018 money on one check.
2017 Remittance forms can be found here.