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+: Check if You Have Access to PSL 1099 PSL+: 1099-T4A User Guide Generating Forms and eFiles PSL+: Self-Printing 1099s and T4As: Important Notes PSL+: How to Download and Review a Summary in PSL+ PSL+ Okta Login Help