Relaying Wembley's pitch costs the FA around £90,000 a time
Wembley's operators have refused to put a figure on how often the stadium's much-maligned pitch will be relaid.
Earlier on Monday BBC Sport had learned that the surface would be changed up to seven times a year until at least 2023.
"There is provision for pitches to be changed over the course of a season, but there is no set number," said Wembley operators in a statement.
"We'll continue to work with industry experts to deliver a pitch to the quality everyone in the country wants."
With work continuing on the venue's 11th surface since 2007, ongoing loan repayments to meet the cost of the £750m stadium means Wembley will remain multi-purpose for possibly another 13 years.
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