Assistant Farbrace will stand in temporarily for head coach Trevor Bayliss for a one-off fixture against Australia at Edgbaston next week and the three-match series with India at the start of July.
Bayliss will return in time for three one-day internationals against India, starting at Trent Bridge on July 12.
Before then, Bayliss will watch England Lions in the remainder of their tri-series fixtures as well as the Royal London One-Day Cup final between Hampshire and Kent at Lord’s on June 30.
The Lions have limited-overs fixtures against both India A and West Indies A next week.
An England and Wales Cricket Board update read: “Paul Farbrace will be in charge of England’s T20 side for the Vitality IT20 matches against Australia and India.
“Head coach Trevor Bayliss will take a break from coaching duties and focus his attention during the two-week period watching the England Lions in the 50-over Tri-series competition against India A and West Indies A.
“He will also be in attendance at the Royal London One Day Cup final between Hampshire and Kent at Lord’s on Saturday, June 30 and will take the opportunity to watch some county cricket across the country.
“Bayliss will return to his role with England ahead of the ODIs against India starting at Trent Bridge on Thursday, July 12.”
Australian Bayliss, whose tenure started before the 2015 Ashes, has previously had minimal opportunity to see any prospective England players in domestic action.
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