and 46 CFR 25.10-3, respectively
The US Coast Guard strongly recommends that:
* boaters avoid purchase and installation of any light that does not
present the required certification data, and
* retailers advise their customers to purchase certified navigation lights.

This has to be on the package:

USCG Approval 33 CFR 183.810
MEETS ABYC A-16 or equivalent
TESTED BY (an approved laboratory)
Name of the light manufacturer
Number of Model
Visibility of the light in nautical miles
Date on which the light was type-tested
Identification and specification of the bulb used in the compliance

Edited by V-Bottom (10/30/16 12:52 PM)
Texas Anglers Recognition Program
TPWD Official Weigh Station,77563
Coastal Bend Weigh Team, Cert. Weigh Master