An evaluation will not work for a loan subject to 1026.36(c), an appraisal is required. Regulation Z does not address the issue of reusing an existing appraisal. If the existing appraisal is to be used it must meet the requirements of 1026.35(c)(3). You also need to consider the Interagency Appraisal Guidelines (FIRREA) and your bank policy.
The transaction may be exempt under 1026.35(c)(2) (i.e. less than $25,000, QM, etc.) so no appraisal would be required by Regulation Z.