Final answer:
Replacement forms must be kept on file for a minimum of seven years.
Step-by-step explanation:
In business, replacement forms refer to the documents that are used to replace the original forms when they are lost or damaged. These forms can include various types of records, such as contracts, invoices, or employee documents. The length of time that replacement forms must be kept on file depends on legal requirements and organizational policies. Typically, the minimum requirement is to keep replacement forms on file for a period of seven years, but this can vary.