Brennan and Williams have also had their sanctions extended to all worldwide competitions by the IRB.
The winner will be announced at the IRB awards in London on 23 November.
The IRB is awaiting the report from South Africa via their judicial officer Alan Hudson.
The RFU's 30-minute presentation in Dublin on Wednesday appears to have gone down well with the IRB Council.
He leaves the Scotland A squad in Bucharest preparing to launch their defence of the IRB Nations Cup.
BBC: Rory Lawson earns start for Scotland for Argentina Test
Thompson was an ever-present during Scotland A's IRB Nations Cup win in Romania before suffering his injury problems.
The IRB Series travels to Twickenham on 24-25 May and concludes at the Millennium Stadium a week later.
"The IRB player of the year award is the ultimate accolade for a player, " said chairman Bernard Lapasset.
"We haven't really used the IRB series as a build-up in terms of the Commonwealth Games, " he said.
He earned his first cap in November, having helped Scotland A win the IRB Nations Cup that summer.
Over 1000 colleges have teams, sanctioned by the international governing body of rugby, the IRB, and by USA Rugby.
"This is tremendous news for Rugby World Cup, " IRB chairman Bernard Lapasset said.
The IRB also insist on "clean" venues, free of any advertising that might run contrary to their own sponsor partnerships.
Baron and Pickering discussed the prospect of a joint England-Wales bid at the IRB's summit in Hong Kong last week.
The International Rugby Board (IRB) will announce the winning bids for both the 2015 and 2019 tournaments in July 2009.
The unions have until 8 May next year to submit their detailed tenders, before making formal presentations to IRB chiefs.
They move level on 44 points with New Zealand in the IRB series standings, four behind overall leaders South Africa.
Wales will also continue to compete in IRB Sevens tournaments, although their schedule for next season has not been confirmed.
According to the IRB regulations, the recommended minimum sanction for "contact with the eye or eye area" is 12 weeks.
Having moved up to third in the IRB world rankings, Ireland should end with a clean sweep of their autumn fair.
The South Africa Rugby Football Union (SARFU) and International Rugby Board (IRB) have expressed shock and sadness in a joint statement.
BBC: John McCall was destined for higher honours in the game
"This strong response is unprecedented, and truly reflects the global attraction of the Rugby World Cup, " said IRB chairman Bernard Lapasset.
The decision dismayed the JRFU while the Asian Rugby Football Union asked the IRB to stage a re-run of the vote.
The International Rugby Board (IRB) will vote on the hosts for both the 2015 and 2019 World Cups on 28 July.
Last season's IRB Sevens attracted more than 250, 000 spectators over the World Series and reached 136 countries through its television coverage.
It staged the 2009 IRB Rugby World Cup Final and it is the venue each year for the National Rugby League Final.
"This tour is IRB-sanctioned and approved, and under the regulations he has to be released, " said WRU group chief executive Roger Lewis.
The International Rugby Board (IRB) begins the tender process for the 2015 and 2019 tournaments this month by inviting "expressions of interest".
If the IRB confirms that the two men are not Irish-qualified, their moves to Connacht are likely to be put in doubt.
BBC: Connacht shocked by doubts over duo's Irish eligibility
But Bateman insists that a high-profile move for IRB Player of the Year nominee Williams is the way forward for the Crusaders.
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