King Charles faces the risk of losing public support if he denies Prince Harry a UK residence.

Prince Harry is one of seven Counsellors of State for his father.

Counsellors of State step in for the King if he cannot fulfill his duties temporarily.

Uncertainty surrounds whether Prince Harry will receive a UK residence.

Harry and Meghan gave up their UK residence at Frogmore Cottage.

PR expert advises King Charles not to make bold moves against Harry.

King Charles is unlikely to make strong statements about Harry's royal role.

New legislation allows the extension of the Counsellor of State role to Princess Anne and Prince Edward.

Harry may receive a UK residence, but it may not impact his US-based life significantly.