ɪɾ ɪz mˈænɪdʒd baɪ hɪstˈɔːɹɪk ɛnvˈaɪɹənmənt skˈɑːtlənd æz ɐ skˈɛdʒuːld mˈɑːnjuːmənt sˈɪns θˈɜːɾi ˈeɪpɹəl nˈaɪntiːnhˈʌndɹɪd twˈɛnti ɪn ɹˌɛkəɡnˈɪʃən ʌv ɪts nˈæʃənəl ɪmpˈoːɹtəns ænd ɡˈɑːɹdiənʃˌɪp ʌv ɪt wʌz ɡˈɪvən tə ðə stˈeɪt ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti nˈaɪn baɪ hjˈuːɡoʊ tʃˈɑːɹɾɚɹˌɪs, ɪlˈɛvənθ ˈɜːl ʌv wˈɛmɪs.
It is managed by Historic Environment Scotland as a scheduled monument since 30 April 1920 in recognition of its national importance and guardianship of it was given to the state in 1929 by Hugo Charteris, 11th Earl of Wemyss.