Application for registration of a trade union is to be submitted before _____?

Application for registration of a trade union is to be submitted before _____?

ٹریڈ یونین کی رجسٹریشن کے لیے درخواست _____ سے پہلے جمع کرانی ہے؟
Explanation

Applications for the registration of a trade union in Pakistan are to be submitted to the Registrar of Trade Unions.

He is responsible for overseeing the registration process.