Is it a civil contract whose parties are allowed to agree (even retroactively) than an NDA is in place?
Or could doing so (backdating such a document) be considered fraud, forgery, or anything illegal, or even for some reason ethically or morally wrong?
For example, if the employee has already disclosed information, how will that be dealt with?
We will need to see proof of your income, savings and rent payments for the period you want to backdate your benefit for and any proof to support your reasons (for example, medical certificates or hospital letters).
You can also get help from an advice agency, such as a Citizens Advice Bureau.
Generally you can back-date the effective date of a contract.
Texas does not have any specific laws that prohibit it and in contracts law, this concept is called the "relation back" theory of contract effectiveness. 1990) for an explanation that back dating violates no general contract law principles and is "determined by the intent of the parties as deduced from the instrument itself." Aside from the obvious issues where someone is back-dating a contract to commit some type of fraud, back-dating raises a whole host of unforeseen consequences with regards to a party's performance under the contract as well as the rights of third parties.