Imports of unprocessed logs of wood are usually done in large volumes through specialised ports or control points and with an irregular frequency which make it difficult to have permanently staffed and fully equipped border control posts.
De ghnáth, déantar lomáin neamhphróiseáilte adhmaid a allmhairiú ina méideanna móra trí chalafoirt speisialaithe nó trí phoist rialaithe speisialaithe agus ar mhinicíocht neamhrialta, rud a chiallaíonn gur dheacair poist rialaithe teorann a bheith ann a mbeadh foireann bhuan iontu agus a bheadh lántrealmhaithe.