The ass'n in an old subdivision where I lived said no commercial vehicles, so the people I knew who had lettering on their trucks went out and bought plain white magnetic signs that they hung on the trucks at night to obscure the lettering...the ass'n was fine with that. We also had a "no shed" rule that was interpreted to include doghouses and any other kind of non-attached structure.

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2002 Ford ZX2
2 x 2013 Honda Civics