It came with instructions; there's no indication of any missing parts.
The tab at the bottom is what secures the bulb cover (not installed) in place.
The UL label on the fixture is one of the hologram 'counterfeit resistant' ones.
I am sure UL will respond when I file a 'field report.'
Anyone wishing to see this fixture, visit Lowes and ask for this: http://www.lowes.com/pd_208807-1390-GU8013-WH-I_0__?productId=3195231&Ntt=porch+light&Ns=p_product_price|0
