Other benefits of melatonin include general neuroprotective effects, as melatonin is a powerful antioxidant. Melatonin also has several anti-cancer properties, and is currently being investigated for its role in fighting breast cancer.
The date of substantial completion is extremely important, because it determines the date that a contractor is no longer fully liable for delayed completion or for minor incomplete details. After substantial completion, the owner again becomes responsible for the property, i.e., security, utilities, etc.
The declaration date, as mentioned above, is the date a company's board of directors decides to pay a dividend. The date of record is the date by which investors must own the shares of stock in order to become eligible for the upcoming dividend. The ex-date is the date on which the stock trades lower than the amount of the dividend to be paid.