2In section 55 of the [1949 c. 67.] Civil Aviation Act 1949 (which relates to the recording and registration of births and deaths), in subsection (1) for the word " him " where it first occurs there shall be substituted the words "the Civil Aviation Authority (hereafter in this section referred to as "the Authority ") " and for the word " him " in the second place where it occurs there shall be substituted the words "the Authority ; and for the words " in his Department" and " in the Department of the Minister " wherever they occur in that section there shall be substituted the words "by the Authority".