3814116 - How can we load discounts for vendors not provided in the dropdown list on the discount page?

In order to import the discount in Concur through Import Hotel Discounts and not have any error, the Hotel Chain should be the same one in Concur Hotel Database. But it sometimes happens that the desired chain code is not added in the dropdown list.
 

How can we import hotel discounts if a specific Hotel Chain is missing in drop-down list? , KBA , CON-CA-ADM , Administration , CON-SRV-TRV-ADM-IDH , Import Hotel Discounts , Problem