If boating on federally controlled waters and your vessel is 26 feet or longer, you must display a 5 x 8-inch placard
The US Coast Guard requires an oil discharge placard for boats over 26 feet.
26
26
Waste disposal regulations
True -this is for HAZMAT
26' ft sailboat with engine
On federal waters, the Garbage Disposal Placard is required if your boat is 26 feet or longer. It must be displayed prominently.
Dangerous When Wet
On federal waters, the Garbage Disposal Placard is required if your boat is 26 feet or longer. It must be displayed prominently.
vessels 26 feet or longer
The word placard (noun meaning a sign, a notice, an advertisement) has no direct antonym; the closest would be 'without placard' or 'placard-less'.
The placard on the wall displayed the museum's latest exhibition information.