Batas Pambansa - An Act Amending Articles 214, 217, 231, 232, 234, 249, 250, 251, 257, 262, 263, 264, 265, 278, 283, and 284 of Presidential Decree Numbered Four Hundred and Forty-Two, Otherwise Known as the Labor Code of the Philippines, as Amended, to Further Promote Free Trade Unionism and Collective Bargaining and for Other Purposes