/// <summary>
        /// Get Tax from Cache
        /// </summary>
        /// <param name="ctx">context</param>
        /// <param name="C_Tax_ID">id</param>
        /// <returns>MTax</returns>
        public static MTax Get(Ctx ctx, int C_Tax_ID)
        {
            int  key      = C_Tax_ID;
            MTax retValue = (MTax)_cache[key];

            if (retValue != null)
            {
                return(retValue);
            }
            retValue = new MTax(ctx, C_Tax_ID, null);
            if (retValue.Get_ID() != 0)
            {
                _cache.Add(key, retValue);
            }
            return(retValue);
        }