That is standard legal practice. It just seems like an unnecessary technicality under these circumstances. Government of all kinds and places burn money like they're using it for firewood. The idea that they can't just buy the thing from the guy seems silly to me.
You know, maybe only spend $15.235 million on studying the flatulence of the Polish Evergreen Beetle (fictional character for dramatic effect) instead of the planned $15.3 million. Know what I mean?