Keep passes from appearing on the Lock screen. Go to Settings > Touch ID & Passcode (iPhone 5s) or Settings > Passcode (other models), then tap Turn Passcode On. Then, under Allow Access When Locked, turn off Passbook. For passes with notifications, to keep a specific pass from appearing on the Lock screen, tap the pass, tap , then turn off Show On Lock Screen.
Set notification options. Go to Settings > Notification Center > Passbook.
Include passes on your other iOS devices. Go to Settings > iCloud and turn on Passbook.