Waley-Cohen was banned for seven days following his ride on Long Run at Carlisle on Sunday, while Carberry was similarly hit after her winning effort aboard On The Fringe at Cheltenham.
National day, April 9, was due to be part of Waley-Cohen’s ban, and was the concluding date of Carberry’s - but the BHA tweeted: “Owing to ambiguous wording of the Rule, suspensions imposed on Sam Waley-Cohen and Nina Carberry will no longer apply on Grand National day.
“This decision follows a representation to this effect being made by Sam Waley-Cohen today.”
Waley-Cohen had on Thursday appealed against his ban on now-retired former Gold Cup winner Long Run.
Waley-Cohen sent his mount straight into the lead on what was his first start for 672 days and while he jumped well for much of the three-mile journey, a couple of significant errors led to him coming under pressure.
Long Run looked sure to finish third after jumping the final fence, but Waley-Cohen appeared to stop riding for a few strides after the last before pushing him out again, being passed by Barachois Silver and Durban Gold and beating just one rival home.
Long Run was retired on the spot, while Waley-Cohen was found guilty of failing to take all reasonable and permissible measures to obtain the best possible placing in that he failed to ride out on a horse that could have finished third.
Having viewed the film of the race and heard all the evidence, a BHA disciplinary panel, while accepting Long Run was tiring, felt that he could have finished third - but for the fact that Waley-Cohen stopped riding for 12 strides on the run-in.
The dates of the suspension were due to include the Grand National and the Fox Hunters’ Chase at Aintree, although the latter still stands.
The panel ordered Waley-Cohen’s deposit be forfeited as no new evidence was produced, other than that which was considered by the Carlisle stewards on the day. Waley-Cohen has won six times over the National fences.