7(1)Her Majesty may by Order in Council make provision for the issue of certificates of no impediment to—
(a)United Kingdom nationals, and
(b)such other persons as may be prescribed,
who wish to marry in prescribed countries or territories outside the United Kingdom.
(2)A certificate of no impediment is a certificate that no legal impediment to the recipient entering into the marriage has been shown to the person issuing the certificate to exist.