howdy_howdy,
You will eventually get an interview appointment from the local office. At that time they will tell you to bring everything that you have concerning your case (EVL, Company financials, IRS copies of your tax returns, W2s, EADs, APs, etc, basically everything)
You'll have a face-to-face interview with the adjudicating officer, at which time they will review your entire case details with you, and hopefully approve you on the spot.
If your case is straight forward, you should have nothing to worry about.
Do a search for "Dallas" on this forum to find other peoples waiting times. Although there is a processing time available for local offices on the USCIS website, the I-485 processing date you see there is for family based cases, not employment based transfers from service centers, even though it does not specify this very clearly.
About 4-6 weeks after the date on your transfer notice, the local office will receive your physical case at their location. At that time it might be a good idea to make an infopass appointment just to verify that they got it. If they didn't receive it yet, plan to come back next month after that so you know it didn't get lost. Personally I kept checking with them every month, until they finally told me an interview had been scheduled.
Case transfers can happen for any number of reasons, and quite frankly they can even happen just at the discretion of the adjudicating officer, as a random check, or to reduce the backlog at TSC. read this to understand why cases are transferred:
{excerpt from the "I-485 Standard Operating Procedure", page 7-3.24}
Employment based Criteria
The adjudicating officer must determine whether the employment-based
I-485 meets waiver of interview criteria set forth below.
Employment-based:
• The principal applicant is employed by the same petitioner who submitted
the approved underlying employment-based visa petition.
• The principal applicant has been interviewed in the course of an
investigation or field examination, and the adjudicating examiner
determines that further interview of the applicant is unnecessary.
• The principal applicant has been approved as an alien of extraordinary
ability or alien of exceptional ability and is otherwise eligible for
adjustment of status.
• The principal applicant has been approved as an outstanding professor or
researcher, or a multinational executive/manager and has a continuing
offer of employment from the same petitioner who submitted the
underlying approved petition.
• Adjustment applicants who received national interest waivers based on
performing primary medical care to a medically under-served area must
demonstrate that they intend to continue according to the terms and
conditions of the underlying petition.
Deviation From Interview Waiver Criteria
The above interview waiver criteria may be modified by individual officers in
response to developing local circumstances and regional concerns, which
would dictate the need for further restrictions.
On a case by-case basis, an officer may choose to relocate an I-485 for
interview if he/she deems it necessary. Applications require a relocation if
the officer determines:
• a need for validation of identity
• a need for validation of legal status
• questionable admissibility and/or qualifications
• apparent fraud
• a second filing
• an applicant with fingerprint rejected twice
• an applicant with medical condition class A or B
• the A-file cannot be located at the time of adjudication.
