Authorisation shall be refused in every case where:
a.
the immovable property constitutes an unlawful investment of capital under this Act;
b.
the area is larger than its purpose requires;
c.
the acquirer has attempted to circumvent this Act;
d.39
the acquirer of a second home as defined in Article 9 paragraph 1 letter c, of a holiday home or of an accommodation unit in an aparthotel, his or her spouse or registered partner or his or her children under 18 years of age already own such a home in Switzerland;
e.40
...
f.
the acquisition is contrary to national political interests.