Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Scilly ya zama wani ɓangare na gundumar bikin Cornwall, kuma wasu ayyuka suna haɗuwa da wadanda ke cikin Cornwall.
Tabbas, sigar da ta fi rikitarwa ta jumla ita ce "Scilly na daga cikin gundumar bikin Cornwall, kuma an haɗa wasu ayyuka tare da na Cornwall, duk da haka tun daga 1890 tsibiran sun sami ikon karamar hukuma daban. "