Cabinet of Ministers Regulations No. 509 in Riga, June 1, 2004 (pr. No 33) amendment Cabinet of 31 august 1999, regulations No 304 "rules" on operational vehicles issued under the Road Traffic Act article 17 to make a Cabinet of 31 august 1999, regulations No 304 "rules" on operational vehicles (Latvian journal, 1999, 286./289.nr.; 2001, 60 no; 2002, 114, no. 190; 2003, nr. 165) and add to amendments 14. the second sentence of the paragraph with the following : "subordinated to the Ministry of the Interior authorities on C, D and E, corresponding to the operational category, the driver must be appropriate to the category of driving licence and at least one year for the category in the appropriate driver seniority." Prime Minister i. Emsis traffic acting Ministers: Deputy Prime Minister a. shlesers