Progress and final waivers go out as a signing link — the vendor signs on their phone, no login. Signed waivers are tamper-evident, and W-9 tax IDs are stored masked.
Unconditional progress waiver
Signed by D. Ruiz · Jan 12, 2027 14:03 UTC
W-9 on file
EIN ··-···4821 · verified
4
waiver types, one signing flow
Signed in minutes
Vendors get a link and sign on any device — no account needed.
Tamper-evident records
Once signed, a waiver can't be quietly edited.
Tax IDs protected
W-9 numbers are stored masked; only the last four digits ever show.
Linked to payment
Each waiver ties to its invoice, feeding the Compliance Trinity.
The vendor signs from a link on any device, and the signed waiver lands in a tamper-evident vault next to their masked W-9.
Unconditional progress waiver
INV-2081 · Stonemark Concrete Co. · $31,400.00
D. Ruiz
Signed Oct 15, 2026 · 14:03 UTC · from mobile
No account needed — the link is the signature session
Tamper-evident — signed waivers can't be quietly edited
Start a free trial — sample data is included so you can see the full flow first.