Conn. Gen. Stat. § 12-80c

(b) Notwithstanding the provisions of section 7-383 , for the assessment year commencing October 1, 2010, any municipal tax collector may mail or deliver, in accordance with the provisions of section 12-130 , a first installment of a tax bill to a taxpayer prior to July 1, 2011. The amount of such first installment shall be equal to fifty per cent of such taxpayer's total assessment for property subject to taxation pursuant to subsection (g) of section 12-80a , multiplied by the mill rate in effect in such municipality for the fiscal year commencing July 1, 2010. The tax collector shall mail or deliver the second installment of such tax bill on or after July 1, 2011. The second installment shall be equal to fifty per cent of such taxpayer's total assessment for property subject to taxation pursuant to said subsection (g) of section 12-80a , multiplied by the mill rate in effect in such municipality for the fiscal year commencing July 1, 2011. Any installment of a tax bill mailed or delivered pursuant to this subsection shall be due and payable and collectible as other municipal taxes and subject to the same liens and processes of collection.

(c) For assessment years commencing on or after October 1, 2011, such taxpayer shall be subject to tax collection under the provisions of this chapter and chapter 204 that are applicable to all other persons subject to taxation under said chapters.