A statement of work binds the concrete scope of a services engagement — work packages, deliverables, milestones, acceptance criteria, pricing model.
Relation to the master agreement. The MSA governs commercial/legal foundations ongoing; the SoW is executed per engagement.
Required contents. Objective, in-scope/out-of-scope table, work packages, deliverables, acceptance criteria, team composition, change-request procedure.
Legal weight. Wording determines deliverable-based vs. effort-based classification, affecting acceptance, warranty and worker misclassification risk.