<Tr> <Th> UNSC seat </Th> <Td> Non-permanent (elected twice) </Td> </Tr> <Tr> <Th> Permanent Representative </Th> <Td> Joon Oh </Td> </Tr> <Table> Democratic People's Republic of Korea <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> United Nations membership </Th> </Tr> <Tr> <Th> Membership </Th> <Td> Full member </Td> </Tr> <Tr> <Th> Since </Th> <Td> September 17, 1991 (1991 - 09 - 17) </Td> </Tr> <Tr> <Th> UNSC seat </Th> <Td> Non-permanent (never elected) </Td> </Tr> <Tr> <Th> Permanent Representative </Th> <Td> Ja Song Nam </Td> </Tr> </Table> <Tr> <Th_colspan="2"> United Nations membership </Th> </Tr>

Why is north korea not part of the un