Black outfit a must, no selfies & more: 5 strange rules King Charles must follow

King Charles III was crowned on Saturday in a coronation ceremony at Westminster Abbey in London. He is the oldest person to ever hold the British throne, having succeeded his mother, Queen Elizabeth II, upon her death at the age of 74.

Despite the fact that Queen Elizabeth was crowned 70 years ago, many royal rituals have not altered. As the new ruler, King Charles must follow these odd regulations.

No selfies or autographs

King Charles III will not be posing for photos or signing autographs. Although there is no formal etiquette surrounding selfies, this restriction applies to all members of the British royal family.

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Always carry a black outfit

When travelling overseas, the King is obligated to follow numerous clothing regulations. As a preventative step in case of an unexpected burial, royals must always bring a black garment, according to custom. Furthermore, when visiting foreign nations, the royals should adhere to the norm of "diplomatic dressing," which means they should dress in a way that represents the local customs of the country they are visiting.

The Crown that King Charles wears: Made of solid gold, weighs 1.8 kg

Accept all gifts and presents

Members of the British royal family must accept any presents handed to them during tours or engagements, according to royal protocol. The royal family's gift policy, however, says that members must not take any gift, hospitality, or service that would or would appear to place that royal "under any obligation to the donor." The policy also states that "before declining a gift offer, careful consideration should be given to any offence that such action may cause."

Not permitted to eat food from strangers

King Charles is not permitted to consume food or drinks supplied by strangers for safety concerns. This step is intended to safeguard the King against food poisoning or other forms of damage. Furthermore, the royal family, including the King, is cautioned against eating shellfish to avoid food sickness, which may disrupt their hectic schedules. According to etiquette expert Grant Harrold, the royal family must be cautious when eating and avoid shellfish owing to the risk of shellfish poisoning, which is why it is rarely on their menu.

Charles III crowned King in first United Kingdom coronation since 1953

No travelling with his son, Prince of Wales

According to royal protocol, when two direct heirs to the throne are traveling, they must take separate flights in case of an emergency.  This restriction will also apply to Prince William and his son, Prince George, once the latter reaches the age of 12. To guarantee their safety, King Charles III will not be permitted to fly on the same plane as his son and successor to the throne, Prince William, following his coronation.