(a) A representation petition involving the employees of the employer named in the charge is handled under an expedited procedure when the investigation of the charge has revealed that: (1) The employer's operations affect commerce within the meaning of the Act; (2) Picketing of the employer is being conducted for an object proscribed by section 8(b)(7) of the Act; (3) Subparagraph (C) of that section of the Act is applicable to the picketing; and (4) The petition has been filed within a reasonable