The examination of patent applications, patent examiners can see that the application is not complete and for you to edit it (to provide additional documents, perform adjustments to the description, patent claims, draft) where you are required to respond within a specified period that is stipulated in the Law on industrial Property. If it can do to stop the procedure to reject your application etc..
If you are not able to respond within the time limit and you have a valid reason for it, the explanation must be submitted to the Office (before the deadline) to continue the procedure.
You also need to run to pay annual fees that are provided for maintenance of a patent.
If this happens Office to reject your patent application (for not acting in time) can during the procedure to request the return of the application to the previous state.