If you disputed with one CRA and the reporting was deleted based on that dispute, they may or may not have a requirement to also delete with all other CRAs.
In any dispute, the CRA must forward a copy of the dispute to the furnisher for their investigation.
If the furisher responds that the accuracy cannot be verified, the CRA handling the dispurte will delete, and the furnisher is required to report those same results to each other CRA ro which they have reported that information.
However, they may simply provide no response to the CRA. Lacking verification from the furnisher will result in no basis for the CRA to make a finding in their reinvestigation of the dispute that it s verified as accurate, so they must delete.
Lack of response is not the same as affirmative admission that the information cannot be verified, and thus would not compel them to delete with the other CRAs.
You probably have no way of knowing if or what response was provided by them to the CRA during your dispute process.
To establish whether they responded to the CRA, you can send a request to the CRA for a description of the procedure they used in their reinvestigation, including who the dispute was sent to, and whether they responded. A so-called method of verification (MOV) request can thus be used to determine whether the debt collector was required to have reported their result to all CRAs, or whther the deletion by one CRA was based only on their own internal finding in their reinvestigation.
As a side note, based on numerous prior posts here in the forum, it appears that the CRAs are rather cavalier about responding to MOV requests, and are not usually very specific about describing their method of verification. You may get back only a boilerplate letter that they forwarded the dispute to the debt collector.
