The relevant Salary Cap rules.....5.8 Loans and Dual Registration
(a) The temporary transfer of a Player by way of a loan shall be treated as a
permanent transfer. Accordingly:
(i) where a Super League Club is the loaning Club, the Player shall
cease to be a considered to be a Player of that Club for the
purpose of calculating its Aggregate Liability for the duration of
the Loan;
(ii) where a Super League Club is the loanee Club, the Player’s full
Salary Cap Value at his original Club (for the avoidance of doubt
excluding any dispensations that related only to the Original
Club) shall count towards the loanee Club’s Aggregate Liability.