Prince Andrew and Prince Harry will not be wearing uniform at ceremonial events to mark the death of the Queen, sources said, except as a special mark of respect for the Queen at the final vigil in Westminster Hall.
Working members of the royal family will wear military uniform when present at five ceremonial events during this period of mourning the Queen.
These are the Service of Thanksgiving at St Giles' Cathedral, Edinburgh, the procession to Westminster Hall and service of prayer and reflection, the Vigil at Westminster Hall, the state funeral at Westminster Abbey and the Committal Service at St George's Chapel Windsor.
But as non-working members of the royal family, Prince Harry and Prince Andrew will not wear uniform apart from at the final vigil in Westminster Hall, according to sources.
The Duke of York is expected to wear a morning suit, as he did for Prince Philip's funeral, when his mother is laid to rest.
As former members of the armed forces, both Harry and Andrew have ceremonial military uniform which they used to wear to official royal events.
When the Duke of Sussex stepped away from the royal family in 2020, he was stripped of several honorary military titles, including Honorary Air Commandant of RAF Honington and Captain-General of the Royal Marines.
When Harry attended the Trooping of the Colour during the Platinum Jubilee celebrations this summer, he watched the spectacle from the sidelines wearing a simple navy suit.
When the Queen is laid to rest at Westminster Hall next Monday, Prince Harry and his brother William may walk side-by-side behind her coffin, the Sun reports.
Doing so would mark a show of unity between the brothers, whose relationship has been the source of much scrutiny over recent years,
At the funeral of their grandfather, Prince Phillip in April last year, the pair were separated by their cousin Peter Phillips.
More to follow.