According totheregulation of insurance law, freightageinsurancecontractandcontract of insurance of carriagetoolrange, after insurance liabilitybegins, contractpartymust notremovecontract.
All of this would be impossible to prevent because if a California resident, for example, sued that Texas company in a California court, the Texas company remove the case to its home state citing the clause in the contract indicating all disputes were to be settle according to Texas law in a Texas court.
Add all the information you would need to remove those negotiable items: account numbers, contact information, company names, contract details (is there a cancellation fee?) and so on.