(a) Sections 45a-644 , 45a-648 , 45a-649 and 45a-667 to 45a-667v , inclusive, apply to conservator of the person proceedings and conservator of the estate proceedings begun on or after October 1, 2012.
(b) Sections 45a-667 to 45a-667f , inclusive, and sections 45a-667p to 45a-667v , inclusive, apply to conservator of the person proceedings and conservator of the estate proceedings begun before October 1, 2012, regardless of whether a conservator of the person order or conservator of the estate order has been issued.