To which officer the application for establishing a union is submitted as per law?

To which officer the application for establishing a union is submitted as per law?

قانون کے مطابق یونین کے قیام کی درخواست کس افسر کو دی جاتی ہے؟
Explanation

The application for establishing a union is submitted to the Registrar of Trade Unions as per the law.

The Registrar is responsible for overseeing the registration and regulation of trade unions.