According to Assembling Your Return in the 2020 Form 760 Resident Individual Income Tax Booklet:
If you file your return by paper, enclose the original Virginia Form 760, Schedule ADJ, Schedule VAC, Schedule OSC and Schedule CR. Do not send photocopies of these forms. Photocopies of all other supporting documents are acceptable.
REQUIRED ENCLOSURES WITH FORM 760
• Forms W-2, 1099 and VK-1 showing Virginia withholding
• Virginia Schedule A
• Schedule ADJ
• Schedule ADJS
• Schedule VAC
• Schedule OSC
• Schedule CR
• Form 760C or Form 760F
• Virginia Credit Schedules
• Other Virginia Statements or Schedules
• Other required enclosures