Open immediately upon delivery of the letter and remember that the enclosed form should be completed and returned within 30 days of the receipt.
2. A formula or steps to take for achieving something: Shanna seems to have found the recipe for success in her writing.
While Henry and Lorna were staying at the charming Bed and Breakfast their seats at the breakfast table were designated; however, since they didn't want to sit next to the window, their host agreed to reseat them.
Shareen had such wonderful muffins, Alisa asked for the recipe and signed a receipt with her host, promising always to follow the directions exactly as specified.