Historical clue formulations

• Municipal regulations: Abbr. — 2024-10-06
• Municipal regs. — 2017-08-20
• Municipal laws: Abbr. — 2011-09-28
• Municipal regs. — 2010-08-14
• Municipal laws: Abbr. — 2010-07-25
• Traffic regs., e.g. — 2007-12-22