Under ERC regulations, the four teams who win places in the PARKER PEN CHALLENGE CUP semi-finals can register two additional players in any position as well as replacing a front row forward with another player qualified to play in the front row. No additional player may have been represented in the match-day squad for any other team playing in any of this season's ERC tournaments. The following players were submitted for registration with ERC by the 21 March deadline.
BATH RUGBY
Gareth Delve
Elvis Sevealii
De-register Simon Emms - replace with Matthew Stevens
De-register Rob Thirlby
SARACENS
Ryan Peacey
Dan Kirton
De-register Luke Harbutt - replace with Mike Storey
PONTYPRIDD
Mark Lewis
Kevin Ellis
De-register Geraint Morris - replace with John Tilly