They were administered separately by the Burma Frontier Service by British Assistance Superintendents , later renamed as Assistant Residents .
in 1922 the Shan states were joined together into a Federation , the Federated Shan States .
states were administered separately by the Burma Frontier Service by British Assistance Superintendents , later renamed as Assistant Residents .
in 1922 the Shan states were joined together into a Federation , the Federated Shan States .