Answer: Reformation
Step-by-step explanation:
Reformation in accordance to contract is defined as rewriting the terms and portion of contract so that clear intention of the contract can be understood the by the involved parties. Any sort of variation is eliminated through this remedy by the parties in legal way through court orders.
According to the situation mentioned in question,Ridgeview mining should reformation in the contract portion so that discrepancy of 9 days rather being 90 days can be removed. Static corporation will understand that delivery will be provided within 90 days clearly through this process.