No there is no ability to have a recall option in any full or half season loan. The only clauses allowed are the player cannot play in games against the parent club.
Dobbie cannot be recalled as its a half season loan, you can only recall players in who are loaned out under emergancy loans. We put a clause in the loan agreement that means Dobbie cannot play against us in the League or in any potential play off match between the two sides, however Palace can...