Step-by-step instructions on merging 1099 vendor data from multiple productions to create accurate 1099 forms and IRS reports. Click on the file below to access the PDF form. Related articles PSL+: 1099-T4A User Guide Generating Forms and eFiles CAPS Payroll Forms PSL+: Check if You Have Access to PSL 1099 PSL+: Creating an IRS eFile PSL+: Prep and Review Your 1099 Data