A controller includes at least one processor that implements the instructions to execute a plurality of tasks. The plurality of tasks includes a management table obtaining task that obtains, from the management table including first information indicating a region and second information indicating a country or a region, a destination information obtaining task that obtains third information indicating a region of a shipping destination to which the terminal device is to be shipped, a first specifying task that specifies a first function, a determining task that determines whether a second function, with reference to the second information, needs to be specified, an estimation information obtaining task that in a case where the second function is determined to be necessary, obtains estimation information corresponding to the second information from an external device, and a second specifying task that specifies the second function.