Inheritance: NominetContactExtensionBase
        public override XmlDocument ToXml()
        {
            var updateExt = new NominetContactUpdateExtension
            {
                TradeName     = TradeName,
                Type          = Type,
                CompanyNumber = CompanyNumber,
                OptOut        = OptOut
            };

            Extensions.Clear();
            Extensions.Add(updateExt);

            return(base.ToXml());
        }
		public override XmlDocument ToXml()
		{
			var updateExt = new NominetContactUpdateExtension
			                	{
			                		TradeName = TradeName,
			                		Type = Type,
			                		CompanyNumber = CompanyNumber,
			                		OptOut = OptOut
			                	};

			Extensions.Clear();
			Extensions.Add(updateExt);

			return base.ToXml();
        }