When an item is out of stock at Trivillage.com when an order is placed, the standard procedure is that customers will typically receive notification about the item's availability status. This may include options such as backordering the item if it is expected to be restocked soon or possibly receiving a refund if the item cannot be supplied in a reasonable timeframe. The specifics can vary depending on the item and the policies in place at the time of the order. It is advisable for customers to regularly check the product page for updates on stock availability and to review the site's policies regarding stock issues. For detailed information regarding these procedures, it may be helpful to refer to the current web page on Trivillage.com, as it may provide the most accurate and up-to-date guidelines.