Contractors

What are the requirements to file a lien as a subcontractor?
Can a subcontractor file a lien even though the property owner's only contract was with the prime contractor and that contract states that prime contractor will supply all labor and material himself? The property owner had no agreement with the subcontractor.
What recourse do contractors have if I terminate the contract and hire someone else?
I hired a construction company for a rebuild of a multi-unit building. It was damaged by fire and I have a contract that pays in three installments. I have paid one installment and they are at the halfway point. The contract stated that work would be completed by 1 Nov 06. There was no real scope of work defined in the contract except that the latest set of prints should be followed. They are still three months from finishing. What recourse do they have if I terminate the contract and hire someone else? What options and precautions do I have when settling with the contractor before I bring in a new one?
Where can I find information pertaining to home improvement contracts?
Where can I find information pertaining to home improvement contracts?
What do I need to place a lien for services until I get paid?
I did a repaint for a business. I need to be paid. What forms should I use?
Can an architect file a mechanic's lien?
Can an architect file a mechanic's lien? If my services were completed in July, am I still able to file? Who delivers the lien? Should an attorney be retained to file such a lien?