a quick matter, but ngos say they re sometimes being charged thousands of dollars in storage fees or taxes. today, gary tuckman track traked down haiti s director of customs and asked about the delays. here s gary s report. reporter: this is the main harbor in port-au-prince are life-saving supplies are shipped from all over the world. but there s something troubling happening here. many relief agencies say cargo is purposefully stopped and delayed here and there are whispers about possible motives. but haiti s director of customs has an explanation for when that happens. cargo is sometimes blocked and held, he says, because charities don t always do proper paperwork. translator: people need to have a minimum respect for the rules. the buildings may have collapsed, but the law is still there. for those of us who have been on the ground for many weeks since this earthquake and have seen the devastation firsthand, it s incredible to see earth-moving equipment just sitting here for