Invoicing in Connecticut

Built-in handling of CT sales tax (6.35% state rate) and statutory late fees.

State sales tax
6.35%
Late fee max
1.5%/mo
Metros covered
5
Written contract req.
Yes
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Connecticut compliance at a glance

  • Sales tax: 6.35% state rate. Many services taxable (e.g., computer/data, repair, advertising). Combined uniform 6.35%.
  • Late fees: Up to 1.5% per month. (Conn. Gen. Stat. 搂37-3a) Statutory rate 10%/yr; contract rates allowed up to 12%/yr without special license.
  • Written contracts: Required for jobs over $200.
  • Prompt-pay law: Connecticut Prompt Payment Act (Conn. Gen. Stat. 搂49-41a for construction; 搂4a-71 for state). Construction subs paid within 30 days of GC receiving payment; 1% per month interest if late.

Connecticut metros

Connecticut guides