Conn. Agencies Regs. § 12-574-A26
(k) Submit entries and transfers of engagements. Before acceptance, he shall submit to the association, all entries and transfers of engagements and all races except those opened and decided during the meeting.
(l) Handicapper, duties. The handicapper shall append to the weights for every handicap the day and hour from which winners will be liable to a penalty and no alteration shall be made after publication except in case of omission, through error, of the name or weight of a horse duly entered, in which cases by permission of the stewards the omission may be rectified by the handicapper.