If, in the example above, the seller is presumed that the seller was adopted on 15 December 1000, on 1 December, has submitted a contract with products to be delivered from 1 February. It was created to document or recall a previous oral agreement on the repayment of funds. A document that will be demoted to avoid a legal sanction is likely illegal. Suppose a health facility verifies that all employees have received tuberculosis tests and flu vaccinations. The facility puts an employee on duty without checking these medical items and later learns that the employee did not have a flu shot. The employer should correct this omission. However, it would be illegal for the employer to administer influenza vaccination and return the vaccination date to the worker`s first working day. Sometimes a document needs to be returned to do it correctly. .