The USDA has issued new rules for grading maple syrup. All producers must now use labels with the new grading system for maple syrup. There are now two primary maple syrup classifications, with additional sub categories based on color and flavor profiles.
A whole chicken can keep up to a year in the freezer. Frozen chicken parts can last up to 9 months. But that will depend on how good the freezer is at maintaining temperature and how well the chicken is packaged for freezing. Make sure the chicken is packed securely and air-tight. Use packaging designed for freezing.
Frozen chicken works with most of the same cooking methods you'd use for fresh or thawed chicken. One exception is your slow cooker. Frozen chicken would spend hours in the food safety danger zone before cooking fully, so this isn't a safe option. If you have enough time for the slow cooker, use part of that time to thaw your chicken instead, and choose a safer cooking method, or cook the frozen chicken using one of these standard techniques: