When a condition occurs that affects the environmental conditions of an occupied space, that condition may be considered an emergency repair. The replacement of a furnace or hot water heater is an example of an emergency repair. When this occurs, you are required to obtain a permit within 72 hours after work is completed. Permits can be applied for online at https:www.govonlinesaas.com/nj/oldbridge/public create an account, log in and apply. This will also count as notification under the emergency rule. You must however follow up within 5 days with the paperwork (that gets emailed to you) and payment for issuance.