Unidroit principles 2016

•The parties are free to enter into a contract and to determine its content

• Freedom of contract

• No form requiered

• Binding character of contract

• Freedom of form

Its a contract. refer to a contract which is to be performed over a period of time and which normally involves, to a varying degree, complexity of the transaction

A proposal for concluding a contract constitutes an offer if it is sufficiently definite and indicates the intention of the offeror to be bound in case of acceptance.

"concluded" , reffer to

• terminar

• concluir

• perfeccionar

• establecer

deliberately left open

• clausulas a posterior negociación

• términos abiertos

• términos de adhesión

• libre discusión

It is ________, in particular, for a party to enter into or continue negotiations when intending not to reach an agreement with the other party.