(1 ) Subsection ( 2 ) applies in relation to a person who is :
(b) the owner of an aircraft engaged in a n air transport service.
( 2 ) The Secretary may, by written notice given to the person, require the person to give the Secretary information relating to any of the following:
(c ) revenue and cost statistics;
( d ) financial statements (including details of all receipts and the sources of those receipts ) .
(3) The notice must specify a reasonable period within which the
person must provide the information to the Secretary. The period must end at
least 7 days after the day the notice is given.