Dee ihe na-aga n'ihu na paragraf a - Na United Kingdom, iwu mkpesa nke ọmịiko bụ iwu na-akwadoghị site na Trade Disputes and Trade Unions Act 1927 mgbe mkpesa zuru ụwa ọnụ gasịrị
Ọ dị mma. Nke ahụ ka e wepụrụ site na Trade Disputes and Trade Unions Act 1946, nke gọọmentị ndị ọrụ mgbe agha gachara.