SECTION 5. Conspiracy or Proposal to Commit Terrorism. – There is a conspiracy to commit terrorism when two or more persons come to an agreement to commit any act of terrorism as defined herein and decide to commit it.
There is proposal to commit terrorism when any person who has decided to commit any act of terrorism as defined herein proposes its execution to some other person or persons.
Any person who conspires to commit any act of terrorism shall be punished by imprisonment of not less than ten (10) years to fifteen (15) years and a fine of five million pesos (Php 5,000,000.00).
Any person who proposes the commission of any act of terrorism shall ; be punished by imprisonment of not less than six (6) years and one (1) day but not more than ten (10) years and a fine of three million pesos (Php3,000,000.00).
Provided, That if the offender is a government official or employee or has retired, resigned, dismissed or otherwise separated from the government service, the maximum penalty and the accessory penalty of perpetual disqualification to hold public office shall be imposed.
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SECTION 9. Membership in a Terrorist Organization. — Where an organization has been proscribed as a terrorist organization, it shall be unlawful for any person who knowingly, willfully, and by overt acts, affiliates himself, becomes, or remains a member of such activities unless he can prove a lack of personal knowledge of the organization’s activities; or that he has taken any part in the activities of the organization at any time while it was proscribed; or that he took immediate steps to terminate his membership therefrom as soon as practicable after it was proscribed; or that the organization was not declared a terrorist organization at the time he became a member or begun to profess to be a member.
Any person convicted under this Section shall suffer the penalty of imprisonment of not less than six (6) years and one (1) day to not more than twelve (12) years. Provided that, if the offender is a government official or employee, or has retied, resigned, dismissed or otherwise separated from the government service, the maximum penalty and the accessory penalty of perpetual disqualification to hold public office shall be imposed.
link to the complete text of the Revised Penal Code: Philippines-Anti-Terrorism Act-2005-eng