Oregon Notification de Clausura (1644s) is a form used in Oregon to provide notification of a closure of a business. It is a legal requirement in Oregon that businesses must provide notice if they are closing their doors or laying off employees. The form is issued by the Oregon Employment Department and must be provided to employees and other workers affected by the closure or layoff. There are two types of Oregon Notification de Clausura (1644s): a Temporary Closing Notice and a Permanent Closing Notice. The Temporary Closing Notice is sent when an employer is temporarily closing or suspending operations for a limited period of time, and the Permanent Closing Notice is sent when an employer is permanently closing or discontinuing operations. Both notices must include details such as the reason for the closure, the effective date, a description of the affected employees, provisions for health insurance, and other information regarding the closure.