Final answer:
The provision described relates to contractual obligations in Law, stating that nothing outside of the contract can be considered part of the contract.
Step-by-step explanation:
The provision described in the question is related to contracts, which falls under the subject of Law. Specifically, it pertains to the concept of contractual obligations. The provision states that nothing outside of the contract can be considered part of the contract, which means that only the terms and conditions agreed upon by the parties involved are binding.