| Subject | English | Spanish |
| gen. | it's not valid without the signature | sin la firma no tiene ningún valor |
| comp., MS | not valid | no válido (Erroneous or unrecognizable because of a flaw in reasoning or an error in input. Invalid results, for example, might occur if the logic in a program is faulty) |
| gen. | that regulation is not valid | esa norma no tiene validez |