REYNATO S. PUNO Chief Justice [1]  Under Rule 45 of the Rules of Court; rollo, pp. 9-27. [2]  Penned by J. Vicente Q. Roxas, JJ. Portia Alino-Hormachuelos and Juan Q. Enriquez, Jr., concurring; id., pp. 175-184. [3]  Id., pp. 185-186. [4]  Petition, Annex C, id., p. 51. [5]  Petition, Annex D, id., p. 52. [6]  Id., p. 249. [7]  Id., p. 250. [8]  Id., pp. 102-110. [9]  NLRC Second Division, Comm. Angelita A. Gacutan, ponente, Comms. Raul T. Aquino and Victoriano B. Calaycay, concurring; id., pp. 149-155. [10]  Promulgated on June 14, 2004; id., pp. 157-158. [11]  Supra note 2. [12]  Promulgated on June 7, 2005; supra note 3. [13]  G.R. No. 154798, October 20, 2005, 473 SCRA 559. [14]  Supra note 6. [15]  Id. [16]  G.R. No. 142049, January 30, 2001, 350 SCRA 629. [17]  Supra note 6. [18]  Annex G, Petition; rollo, p. 55. [19]  Annex H-1, Petition; id., p. 57. [20]  Annex B, Petition, pp. 29-50, 41. [21]  G.R. No. 142293, February 27, 2003, 398 SCRA 301. [22]  Construction in favour of labor: -All doubts in the implementation and interpretation of the provisions of the Code, including its implementing rules and regulations, shall be resolved in favour of labor. [23]  Rollo, pp. 566-586. [24]  G.R. No. 154797, October 20, 2005, 473 SCRA 559. [25]  Supra note 6. [26]  Petition, p. 21. [27]  Supra note 7. [28]  Article 20.1.4.2. [29]  Respondents Memorandum, pp. 12-13; rollo, pp. 577-578. [30]  Supra note 24. [31]  G.R. No. 154093, July 8, 2003, 405 SCRA 450. [32]  G.R. No. 105521, August 26, 1999, 313 SCRA 141.