Landlord written notice of intention to terminate. Registration forms may be submitted online beginning January 1, 2017.Sign it, have the manager sign it, and keep a copy. This will be helpful if there is a dispute over deductions for repairs when you move out. This state-specific Lease is customizable and includes TX laws. Create a legally-sound online lease agreement for free. Customize our localized lease templates with Unlimited Plus. Texas law allows landlords to collect "reasonable" late fees if any portion of the rent remains unpaid more than two full days after it was due. Set the terms for renting property. The tenant must have already failed to pay the rent as agreed.