Jones's contract runs until next summer but after England's last outing, their Six Nations victory over Wales, he revealed he was due to discuss his future with Sweeney.
The RFU is now understood to be in consultation with the wider England coaching staff about temporary salary reductions, but Jones has already assented.
'No one can predict every possible outcome of the Covid-19 outbreak particularly with regard to the duration of this crisis and we are managing in the unknown, ' RFU chief executive Bill Sweeney said.
Eddie Jones, the England head coach, is expected to be asked to take a pay cut of at least 25 per cent along with senior executives at the Rugby Football Union after the coronavirus left the governing body facing losses of up to £50 million over the next 18 months.
The rugby season below the top-tier has been prematurely ended and a decision on how to proceed with awarding promotion to the Premiership is expected by mid-April.
The cuts come as the RFU agreed a financial support package for its grassroots clubs, including a cash injection of up to £400,000 to those constituent bodies who match the amount from their own reserves to ease the financial pain of grassroots clubs. "We will continue to monitor against this assumption and review and revise planning where necessary".
The RFU is braced for revenue losses of up to £50m.
The RFU boss confirmed the executive team, including himself, would all be taking a cut in remuneration in excess of 25 per cent. "In addition, combined board fees will be reduced by 75%", Sweeney said.
"The RFU's biggest asset is also a major cost and the closure of Twickenham Stadium has a significant impact on the revenues we can generate to re-invest back into the game", added Sweeney. "In that sense we are like every other club in the union".
Many Gallagher Premiership clubs have agreed 25 per cent wage cuts with players, although this has met with some opposition. "We are now committed to update on this by the middle of April".