WHAT IF I USED MY VEHICLE FOR DIFFERENT 1099 WORK A FEW YEARS BACK, WHAT DATE SHOULD BE ENTERED. OLD DATE OR FIRST DATE OF THIS NEW WORK?

[leeloo_girl]

2019 I STARTED A DIFFERENT OUTSIDE SALES POSITION THAT I RECEIVE A 1099 FOR.  SHOULD I USE THAT DATE OR THE FIRST DATE I REPORTED USING THE CAR IN OTHER 1099 POSITIONS?