one hundred riyals lang po, after that you have to send the completed form to your relative in the philippines by registered mail or dhl. let him/her process this in your behalf...of course you need authorization on that...once nbi clearance is granted, your relative can send it back to you by same means and you can go back again to philippine embassy and pay another 100 riyals for the authentication/red ribbon.

note: see to it you have to bring a hand washing soap to clean your hands after the finger printing, alang sabon sa embassy noong ako'y pumunta doon