The High Court on Monday issued a rule asking why members of parliament (MPs) can not take part in the municipal election campaign.In the rule, the court asked the authorities concerned of the government, election commission and parliament to explain in four weeks.The HC bench of Justice Syed Muhammad Dastagir Husain and Justice AKM Shahidul Huq issued this rule following a writ petition.A Supreme Court lawyer AKM Nur Nabi filed a writ petition challenging the legality of the electoral rules.The rules 2 (12) and (22) of the Municipality Election Rules 2015 have restricted the MPs from attending election campaign for their party candidates, the lawyer said in the petition.He said, the MPs as per the electoral rules do not hold profitable posts. So, there is no legal bar for the MPs to run campaign for their party candidates in the municipality polls.