IoDT puzzle

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Across
  1. 3. send to postal
  2. 4. Freedom of speech
  3. 6. Law
  4. 9. assessment
  5. 13. Pay liabilities
  6. 14. pla
  7. 16. Board
  8. 18. accounting
  9. 19. board of director
Down
  1. 1. water
  2. 2. Electrical engineers
  3. 5. meeting leader
  4. 7. leader of organization
  5. 8. Country
  6. 10. Directorship program
  7. 11. Other org
  8. 12. Dc
  9. 15. Number of attendees
  10. 16. Accumulation
  11. 17. Resume