American Standard Version
Whereupon as I journeyed to Damascus with the authority and commission of the chief priests,

Berean Study Bible
In this pursuit I was on my way to Damascus with the authority and commission of the chief priests.

Douay-Rheims Bible
Whereupon when I was going to Damascus with authority and permission of the chief priest,

English Revised Version
Whereupon as I journeyed to Damascus with the authority and commission of the chief priests,

King James Bible
Whereupon as I went to Damascus with authority and commission from the chief priests,

World English Bible
"Whereupon as I traveled to Damascus with the authority and commission from the chief priests,

Young's Literal Translation
'In which things, also, going on to Damascus -- with authority and commission from the chief priests --

Acts 26:12 Additional Translations ...