Schedule 2 will only be automatically generated if your tax return has amounts for Alternative Minimum Tax (Form 6251) or Excess Advance Premium Tax Credit Repayments (form 8962). Therefore, if either of those amounts are to be reported on your 1040 return, then Schedule 2 will be generated. If you do not see the form listed with your other tax return documents, then Schedule 2 does not have any amounts reported on it and was not generated.
Schedule 2 is a new form for 2018. The 1040 form was completely revised this year and many line items that used to be reported on the 1040 form are now on up to six different schedules (Schedules 1 to 6). Schedule 2
