"Certificate for recruiting workers for work abroad" issued by
the Ministry of Labor and Social Politics of Republic of Bulgaria N529
valid from 12 May 2006 to 12 May 2009
"Certificate for recruiting workers for work in Bulgaria" issued by
the Ministry of Labor and Social Politics of Republic of Bulgaria N528
valid from 12 May 2006 to 12 May 2009
"Certificate for recruiting sea specialists for work on ships" issued by
the Ministry of Labor and Social Politics of Republic of Bulgaria N530
valid from 12 May 2006 to 12 May 2009