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Any disputed TL can be reinserted after the dispute if it was because it couldn't be verified and as long as it is still within the CRTP. In order for that to happen, the CRA has to certify the debt is valid before reinserting and notify you within 5 days.
Having a collection update to paid is not a valid reason to dispute the TL.
Are these accounts updating monthly?
Who is reporting?
If it is the CA I would offer a PFD. If they accept then send GWs to the OC.
It is against the TOS of the forums to dispute accurate information. If you are going to do it, don't talk about it.