Commonly known as diplomatic credentials, the letter is addressed from one head of state to another, asking them to give credence (French: créance) to the ambassador's claim of speaking for their country.The letter is presented personally by the ambassador-designate to the receiving head of state in a formal ceremony, marking the beginning of the ambassadorship.[7]: 32 [8]: 261 The ambassador-designate travels to the presentation ceremony in an official vehicle provided by the receiving state, accompanied by a military escort.The foreign minister will attend (be present with) the head of state at the actual ceremony, to symbolize the fact that the credentials are being accepted on the basis of government advice.Despite their scripted and calculated nature, these ceremonies offer state representatives a subtle yet significant space for signaling— positive or negative — establishing contact, or conveying messages.