Law on Contracts

valid or defective

Rescissible

lesion - more than ¼ of the value

voidable

civil interdiction

voidable

insanity

voidable

mistake of fact

voidable

mistake of legal interpretation of law

voidable

mistake of substance

voidable

mistake of condition

voidable

mistake of qualification

voidable

dolo causante

voidable

incapacity of a party

voidable

minors - passive representation

voidable

hypnotic spell

voidable

state of drunkenness

voidable

expert + wrong opinion

voidable

misrepresentation creates substantial lesion - if fraud, mistake, undue influence

unenforceable

oral sale of land

unenforceable

not authorized

unenforceable

not act within the scope of authority

valid

not act within the scopr of authority but may be more advantageous to owner

unenforceable

incapacitated both parties

void

contract without consent/object/consideration

void

vicious fraud

void

minor in marriage

void

fictitious or absolutely simulated

void

relative simulation which is prejudicial and contrary to law, public policy, morals, customs

void

object outside of commerce of man

void

impossible object

void

unlawful or illegal cause

void

sale of future inheritance

void

lesion - noncompliance

void

false cause

void

pactum leonina

void

pactum commisurium

void

pactum de non alienando

valid

authorized third parties to decide

valid

no accidental elements

valid

no natural elements

valid

mistake of law

valid

mistake of account

valid

dolo incidente

valid

caveat emptor

valid

caveat venditor

valid

insane person during lucid interval

valid

minors buying necessities; active representation

valid

claim through competent authority

valid

ordinary person + opinion

valid

relative simulation

valid

usual exaggeration in trade / sales talk

valid

right to inherit

valid

illegal motive

valid

lesion in general rule

valid

failure of cause

valid

insufficient cause

valid

pactum reservati dominii

valid

pacto de retro sale