The conventions provisions follow the pattern of those signed with Poland. Romania. and Hungary which entered into force July 6. 1973. The specific consular functions and services which will be assured on a reciprocal basis include the issuance of passports and visas. performance of notarial services. and representation of the interests of the sending state in estate matters. Most significantly. article 36 of the convention assures that consuls. whose nationals are detained or have their personal freedom limited in any way. will be notified within three days and will have the right to visit and communicate with them and see that they receive legal assistance and representation. Visits by consular officers will be permitted as soon as possible and may not be refused after four calendar days from the date of detention or other limitation of personal freedom.