Outline how you will handle disagreements or misunderstandings. Agree to celebrate each other's achievements and special occasions. Specify if this is a temporary agreement or ongoing. Include a clause that allows for changes to the contract as the friendship evolves.
While not required by law, having the promissory note notarized can provide additional legal protection and evidentiary weight in court should any dispute arise over its enforcement.
A contract, under Philippine law, becomes binding as soon as there is mutual consent between the parties, consideration (payment or exchange of services), and a lawful object (subject matter of the agreement). These elements are enough to form a valid and enforceable contract, even without notarization.