Forms can be found by following this link: http://tax.hawaii.gov/forms/a1_b1_1income/
Website: tax.hawaii.gov
E-mail: Taxpayer.Services@hawaii.gov
Telephone:
808-587-4242
Toll-Free: 1-800-222-3229
Telephone for the hearing impaired:
808-587-1418
Toll-Free: 1-800-887-8974