ORENBURG. September 11. KAZINFORM /Aigul Tulekbayeva/ President of Kazakhstan Nursultan Nazarbayev proposed his Russian counterpart Dmitry Medvedev to extend the duration of the citizens' stay in Kazakhstan and Russia without registration. "The duration of stay of other countries' nationals in Kazakhstan is 30-90 days. I think we should prolong this term up to 30 days to let our citizens settle their problems", N. Nazarbayev said at the Inter-regional Cooperation Forum of Kazakhstan and Russia in Orenburg. D. Medvedev in turn agreed on the proposition.