The registration of a foreign indirect air carrier may be canceled or subjected to additional terms, conditions or limitations if:

(a) It files with the Department a written notice that it is discontinuing foreign indirect air carrier activities;

(b) It fails to perform air transportation services as authorized;

(c) It fails to file the reports required by this part;

(d) A substantial ownership or control interest is acquired by persons who are not citizens of the country of citizenship of the registrant;

(e) There is a failure of effective reciprocity; or

(f) The Department finds that it is in the public interest to do so.

[ER-1159, 44 FR 69635, Dec. 4, 1979, as amended by ER-1294, 47 FR 19685, May 7, 1982]