Bermudian-based International General Insurance Company Ltd has been granted provisional approval by the National Association of Insurance Commissioners to begin writing US excess and surplus lines business effective April 1.The approval is pending execution of the IGI Bermuda US E&S lines trust agreement which is currently in progress, IBI Bermuda’s parent company said.International General Insurance Holdings Ltd, the parent, said it is expected that IGI Bermuda will be named on the NAIC’s April quarterly listing of alien insurers.IGI Bermuda intends to write short-tail US E&S business in energy, property and political violence specialty lines.