Task code automatically populates in the table

Dear Expert,

When auto Tasking Notification to the production engineer (single user), Task code 170 AUTOMATICALLY populates along with codes 70 and 65 in the Item speacific Task(s) table of IQS21 screen.

Only codes 70 and 65 are required for initial tasking, I'm not sure why the Task code 170 automatically populates in the table when I assign to that particular user (production engineer).

When I auto Task to some other User this problem is NOT happening.

Thanks in advance for your help!!!