Decree amending Decree No. 268 / 1999 Coll., amending Decree No. 268 / 1999 Coll., which determines for the purposes of service formalities who is considered to be an executive flyer and which service is a service of a special nature or a special degree of danger, and the procedure for payment of the service charges, as amended by Decree No. 458 / 2002 Coll.