Thirteen of the 23 Experimental Law Variations (ELVs) in use in the southern hemisphere will be introduced.

BBC: Law changes trial gets go-ahead

This is a change in interpretation that could prove as significant as the new experimental law variations.

BBC: Zero tolerance on mauls and rucks

Experimental Law Variations were devised and introduced by the International Rugby Board following consultation with coaches and players throughout world rugby.

BBC: Bates keen to test new rugby laws

The loss of the maul from rugby due to experimental law changes is something that has undoubtedly meant a change of plan for us.

BBC: Glenn Delaney column

Gloucester made a slow start to the campaign as they struggled to get to grips with the Experimental Law Variations, but recently they have shown signs of rediscovering the flowing style of the past few seasons.

BBC: Gloucester 39-10 Bristol

To fix chronic underfunding and speed drug approvals, Congress in 1992 passed a law forcing drug companies to pick up the cost of safety reviews via application fees for experimental medicines.

FORBES: Lynch 'Em