Only the highest finishing horse of a coupled entry shall be included in a winning combination. All other parts of the same entry shall be excluded. Any position or positions of a winning combination vacated by an exclusion shall be filled by advancing, in order, the remaining finishers.
If two or more parts of the same entry finish in a dead heat only one part will be included in a winning combination and the other part or parts excluded.
01-017 C.M.R. ch. 13, § 21