Check first if the vehicle is registered to a company or personal.
If personal registered, you need (2) xerox copy of a valid gov't issued ID (driver's license, sss, etc...) with three actual signature specimen below.
If company registered, you need a properly signed company board resolution, notarized secretary certificate,
signatory of company secretary - (2) xerox copy of a valid gov't issued ID (driver's license, sss, etc...) with three actual signature specimen below.
signatory of company president (2) xerox copy of a valid gov't issued ID (driver's license, sss, etc...) with three actual signature specimen below. (not so sure about this).
Deed of Sale - at least 2 actual copies for you.
Vehicle LTO CR and OR. (make sure there is no "encumbered" stamping on the CR).