Importing Activity Codes from Excel Not Possible in P6 R8.2 and work around??

As a follow up to a previous post, I submitted a SR concerning my issue with importing activity codes (project level) into P6 R8.2 (stand alone version) to which Oracle indicated that it is impossible to import actvity codes into P6 R8.2.

As a work around and since i had to code approximatley 999 activities with (64) different code values I decided to create a UDF for the codes and then exported a template to excel.

I then copied the activities codes (from a spreadsheet developed from a P3 file) into the exported UDF which successfully imported back into P6

Then I used the global change to code all 999 activities, problem is i had to do 64 codes, one by one in global change for example,