Notwithstanding any other provision of this code to the contrary, all law-enforcement officers are hereby authorized and required to serve all pleadings and orders filed or entered pursuant to this article on Sundays and legal holidays. No law-enforcement officer may refuse to serve any pleadings or orders entered pursuant to this article. Law enforcement shall attempt to serve all orders without delay: Provided, That service of process shall be attempted within seventy-two hours of law enforcement's receipt of the order. If service is not made, law enforcement shall continue to attempt service on the respondent until proper service is made.