Disclosure in Annual Financial Statements. If an estimate is disclosed in an interim period and that estimate is significantly changed in the final interim period (where there is no publishing of an interim report - which is usually the case), then the change in estimate is disclosed in the annual report.
The PenFill cartridge that you are currently using can be kept at room temperature up to 42 days, as long as they are kept below 86 degrees F (30 degrees C). Throw away unrefrigerated disposable Levemir PenFill cartridges after 42 days from the cartridges first use, even if it still contains Levemir.
Insulin in a pen can only be kept at room temperature for 2 weeks before it begins to spoil. Check with your pharmacist, the package insert or the manufacturer's websites. Insulin used past 28 days at room temperature or past the expiration date on the box may still be good.