Temporary exhibitions may incur an admission fee. Proprietary systems also incur license fees. This may incur costs with extra SSL certificates. These districts cannot incur debts or levy taxes. Unmetered bandwidth services usually incur an additional charge. Both people incur benefits and costs simultaneously. Any further delaying of service could incur fines. The obese incur extra costs for themselves and airlines when flying. Thus RR battalions do not incur the costs of a heavier unit. Canceling a neighbor deal will incur a substantial cash penalty. If teams incur multiple penalties, they are cumulative. The application process can also incur charges. This allows a call return without having to incur long distance calling charges. However, a firm cannot continue to incur losses indefinitely. Smaller applications incur lower losses due to leaching.