Texas Property Code - PROP § 94.206. Termination and Eviction for Nonpayment of Rent

(1) the tenant fails to timely pay rent or other amounts due under the lease that in the aggregate equal the amount of at least one month's rent;

(2) the landlord notifies the tenant in writing that the payment is delinquent; and

(3) the tenant has not tendered the delinquent payment in full to the landlord before the 10th day after the date the tenant receives the notice.