房客不付房租, 准备上法庭. 有关条文看不懂, 请帮忙

我们在TEXAS, FRISCO有一个townhouse, 出租一townhouse给一对老美夫妇, 对方自去年九月起拖欠房租, 总是到月底或下月才付, 水电费也是到电力公司要断电的那一刻才把非付不可的部分, 其他部分还是欠着.
至今还没有付三月份和四月份超过的房租, 水电费已经欠了超过$800(从12月起).
我们要去法院申请驱逐令. 今天看TEXAS法律, 有如下规定,
(d). Waiver of Default

Either party can waive the right to terminate, by accepting late or substandard performance. Harris, 93 S.W.2d at 600. Once is waived, the party cannot begin to insist on strict performance again until notice of such insistence is given. Cox's Bakeries of North Dakota v. Homart Develop. Corp., 515 S.W.2d 326, 329 (Tex. Civ. App.--Dallas 1974, no writ). But see Taherzaikh v. Clements, 781 F.2d 1093 (5th Cir. 1986). For example, once a landlord accepts late payments, the landlord cannot claim a tenant is in default and attempt to evict the tenant for another late payment, until the landlord gives the tenant advance notice that future late payments will be considered a default under the lease.
请帮忙看看上面是不是说如果我们曾经接受过迟付的房租, 我们就放弃驱逐房客的权利了呢, 即使以后不付房租, 我们也得先发通知, 多少天以后才能申请驱逐?
另外关于电费, 电费帐单在我们的名下, 以前我们把帐单传给他们, 由房客直接付给电力公司. 现在他们欠费太多, 我们不敢随便断电,怕违反法律规定.

所有跟帖： 

• You need to give writen notice -autumnmoon- ♀ (74 bytes) () 04/06/2008 postreply 19:28:30

• Thanks. We did that. -inLA- ♀ (0 bytes) () 04/06/2008 postreply 20:27:59