Accredo will not allow you to perform an End of Period until the Accredo Security Code has been entered. To enter the security code:
Go to Accredo > File > Licensee Details.
Click Secure (Alt+S).
Enter the Security Code provided by Accredo Business Software Ltd.
Click OK.
If the Accredo Warning "Invalid security number" appears:
Click Close.
Ensure the Security Code entered is correct and all information in the Licensee Name field of the Licensee Details window matches the information on the Accredo Security Application.
Repeat steps above.
If the warning appears again, contact Accredo Support or your Accredo QSP.