What are the requirements for a pagaré to be considered a valuable title?

The pagaré must contain the expression 'Pagaré' in the document title.
The pagaré must have the unconditional promise to pay a certain amount of money.
The pagaré must indicate the name of the person to whom the payment must be made.
The pagaré must indicate whether it is payable to the order or to the bearer.
The pagaré must indicate the due date.
The pagaré must be accompanied by a letter of instructions.