Yes, if people do not pay property tax, a municipal commissioner can file a case in court. Property tax is a tax levied by the government on property owners, and failure to pay property tax can result in legal action. The municipal commissioner is responsible for enforcing property tax laws and ensuring that property owners pay their taxes. If a property owner fails to pay their property tax, the municipal commissioner can take legal action to recover the unpaid taxes. This can include filing a case in court to obtain a judgment against the property owner and collect the unpaid taxes.