The purpose of this chapter is to enunciate the public policies pertaining to governmental procurement from nongovernmental sources. Contract Law in Virginia is a practice-oriented handbook for both the novice and seasoned Virginia practitioner, combining coverage of Virginia contract law.Global counsel across five continents. Force majeure is a contract clause that removes liability for catastrophic, unforeseen events that prevent participants from fulfilling obligations. Once you sign a contract, it is valid and enforceable right away. Usually, there is no right to cancel. Yes. A contract does not need to even be in writing. A contract can be in oral or written form. What Should Be In Your VA Contract? Laws are different everywhere though so the best way to find out is ask someone familiar with the jurisdiction in question.