Why NCC attribute is not mandatory for global products, but when I publish MTSKU into MPSKU, I get an error "NCC is mandatory for TW market, please fill and retry"

Why NCC attribute is not mandatory for global products, but when I publish MTSKU into MPSKU, I get an error "NCC is mandatory for TW market, please fill and retry"

Currently, for some special attributes, it is required for some regions, and not required for other regions. For these attributes, we will return "is_mandatory": false in the v2.global_product.get_attributes API

But when calling v2.global_product.create_publish_task to publish to a region that requires attributes to be filled in, the v2.global_product.get_publish_task_result API will report an error: "NCC is mandatory for TW market, please fill and retry"

Through this error message, you can know that the NCC (attribute name) is required when publishing to TW (region). At this time, the seller needs to fill in the global product NCC attribute and then republish the MTSKU again.

It is recommended that you can call the v2.global_product.get_attributes API request parameter to upload need_region_mandatory=true, then you can get these required attributes for region, and you can get the information through the mandatory_region response paramerter.