A project has begun construction and must be finished in 90 days. There is no float time allowed for. After 30 days the local zoning official has not finished paperwork for approval. The contractor gives the owner a change order for additional time and money. What should happen?

A project has begun construction and must be finished in 90 days. There is no float time allowed for. After 30 days the local zoning official has not finished paperwork for approval. The contractor gives the owner a change order for additional time and money. What should happen?