div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=epa-form-3520-1pdf-us-customs-and-border-protection-form3520written-authorizationhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: EPA Form 3520-1pdf - US Customs and Border ProtectionForm+3520 · written authorization from EPA Customs may request EPA review of importer documentation and eligibility for loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer20220215015a9f3c6f7f8b9a0d158c97d5html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=epa-form-3520-1pdf-us-customs-and-border-protection-form3520written-authorizationhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: EPA Form 3520-1pdf - US Customs and Border ProtectionForm+3520 · written authorization from EPA Customs may request EPA review of importer documentation and eligibility for loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer20220215015a9f3c6f7f8b9a0d158c97d5html5thumbnails2jpg width=140 height=200 divdiv