A zoning warrant is a legal document that is issued by a local government agency in order to authorize the use of a particular piece of property for a specific purpose. Zoning warrants are typically issued as part of the process of approving a building permit or other development proposal, and they are used to ensure that the proposed use of the property is consistent with the local zoning regulations.

A notice of commencement is a document that is filed with the local government agency that is responsible for issuing building permits, in order to indicate the start of a construction project. The notice of commencement typically includes information about the project, such as the location, the owner and developer, the contractor, and the scope of the work. It may also include the date that work is scheduled to begin and the expected duration of the project.

An expired building permit is a building permit that has reached the end of its validity period without the work that is described in the permit being completed. Building permits are typically issued by the local government agency that is responsible for enforcing building codes and regulations, and they are required in order to begin work on a construction project.

The process of changing contractors in a construction project can be complex and may involve a variety of considerations.