"Sec. 4. Whoever knowingly, willfully and by overt acts of affiliates with, becomes or remains a member of, a subversive association or organization as defined in Section 2 hereof, whether committed within or outside the territorial jurisdiction of the Philippines, shall be punished by reclusion temporal, and, in addition thereto, shall be permanently disqualified from holding any public office, appointive and elective, and from exercising the right to vote if he is a Philippine citizen; in case of a second conviction, the principal penalty shall be reclusion perpetua; and, in all subsequent convictions, the penalty of reclusion perpetua to death shall be imposed; and any alien convicted under this Decree shall be deported immediately after he shall have served the sentence imposed upon him: Provided, That if such member is an officer or a ranking leader of such subversive organization or association as defined in Section 2 hereof, or if such member takes up arms against the Government, he shall be punished by reclusion perpetua to death with all the accessory penalties provided therefor in the Revised Penal Code: Provided, finally, That one who conspires with any other person for the purpose of overthrowing the Government of the Republic of the Philippines or any of its political subdivisions and placing such Government or political subdivision under the control and domination of a foreign power, or for the purpose of removing from the allegiance to said Government or its laws, the territory of the Philippines or any part thereof, by force, violence, terrorism, arson, assassination, deceit or other illegal means, shall be punished by reclusion temporal with all the accessory penalties provided therefor in the same Code."