Final answer:
A mentally disabled person declared incompetent by a judge may enter into a contract if they can understand the transaction or if a court-appointed guardian contracts on their behalf. Discrimination against persons with disabilities is prohibited, but it does not override the need for contractual competency.
Step-by-step explanation:
When a mentally disabled person has been declared incompetent by a judge and wishes to enter into a contract, there are specific conditions that must be met for the contract to be considered valid. One such condition is that the person must have the capacity to understand the nature and consequences of the transaction. This means that despite being declared incompetent, if the person can demonstrate the ability to understand the contract, they may be able to enter into it. Another condition is that the court-appointed guardian or representative can contract on behalf of the disabled person. This individual acts in the best interests of the person who has been declared incompetent.
Additionally, under certain mental health and disability laws, discrimination against persons with disabilities is prohibited; however, this doesn't automatically render all contracts entered into by disabled persons as valid. Rights are often tied to an individual's competency and ability to understand and agree to the terms of a contract. Therefore, individuals who have been declared incompetent due to mental disabilities typically cannot enter into a contract under any conditions without appropriate measures in place, such as the involvement of a court-appointed guardian or proof of understanding.