Documentary Stamp Duty
The documentary stamp tax is an excise tax levied on documents,
instruments, loan agreements and papers evidencing the acceptance, assignment,
sale or transfer of an obligation, rights, or property incident thereto. The amount
of tax is either fixed or based on the par or face value of the document or
instrument.
⠀ https://www.ntrc.gov.ph/images/Publications/guide-to-philippine-taxes-2016/documentary-stamp-tax.pdf