It’d be interesting to know if they’ve actually run out the allowed annual test days. Someone mention it before and it makes more sense than this ‘saving money’ version.
The "manufacturer homologate it" is the issue here. From a sporting or technical view, there is no need for that. It exists only to make money for the FIA.
You can just create a set of technical...
New gravel tyre from Portugal https://dirtfish.com/rally/wrc/hankook-bringing-an-updated-tire-to-portugal/
WRC control tyre supplyer