"We believe these new enhancements will effectively eliminate the issue of test-taker impersonation, " College Board spokeswoman Kathleen Fineout Steinberg said.
The council said that test-taker volume in April and May rose "quite significantly" in the lead-up to that change, compared with the previous year.
McGrath is expected to pass other great fast bowlers, Richard Hadlee (431) and Kapil Dev (434) in Zimbabwe to become the fourth-highest Test wicket-taker of all time.
BBC: Glenn McGrath is setting his sights on 600 Test wickets
Lancashire clinched a deal to bring the world's leading Test wicket-taker back to Old Trafford after two successful spells in 1999 and 2001.
Ganguly gave special praise to Anil Kumble, who joined Kapil Dev as India's highest Test-wicket taker on 434 dismissals after snapping up three in South Africa's second innings.
BBC: SPORT | Cricket | Other International | Ganguly relief at series victory
The Sri Lankan is the second-highest wicket-taker in Test cricket with 532 scalps in 91 matches, behind Aussie leg-spinner Shane Warne (583 wickets).
Both countries have some way to go before they produce footballers who reach the same level as their other sporting heroes such as Tendulkar - the second highest Test century maker of all time - and Courtney Walsh - the leading wicket taker in Test history.
Walsh, who retired two years ago, is still the leading wicket-taker in Test cricket with 519.
Australia ensured Muttiah Muralitharan would have to wait until the home series against England to have the chance to overhaul Australia leg-spinner Shane Warne as the leading wicket-taker in Test history.
They have a settled batting line-up led by captain Graeme Smith and Jacques Kallis and a hostile seam attack, spearheaded by Dale Steyn, who is the leading wicket-taker in Test cricket this year.
Again, this is mainly an issue for spinners, the most extreme example being Test cricket's all-time highest wicket taker, Muttiah Muralitharan.
The big surprise was Ricky Ponting's decision to leave out seamer Stuart Clark, the leading wicket-taker in the 2006-07 Ashes and man of the match in the final Test at Sydney.
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