YonSuite Project Budget vs Actual Cost: Variance Alerts and Corrective Control
Start with initiation, budget baseline and committed cost, then unify material, labour, expense and subcontract actuals and assign every variance.
Learning objective
Build a traceable budget–commitment–actual–estimate-at-completion loop that warns before overspend and retains corrective evidence.
Roles
Project manager, project control, purchasing, expense reviewer, resource manager, finance, cost/project accountant, data owner and consultant.
Prerequisites
- Project code, WBS, cost category, responsible organisation, resource and contract masters are standardised.
- Budget versions, baseline freeze, change approval, control severity and variance thresholds are approved.
- Project dimensions and interfaces across purchasing, issue, time, expense, subcontract, revenue and GL are tested.
Completion checks
- Any variance traces to budget version, commitment, actual transaction, accounting record, owner and corrective decision.
- Budget, commitment, actual, estimate at completion and GL reconcile by WBS and cost category.
- Access tests prove unauthorised users cannot change baseline, bypass overspend control, reassign cost or close the project.
Common errors
- Comparing budget only with posted actuals while ignoring commitments, unreported time and uninvoiced cost.
- Overwriting budget or project attribution and losing variance history and accountability.
- Equating progress percentage with cost completion without re-estimating remaining work.
Thailand project note
For Thailand align THB/project-currency FX dates, Thai/English WBS, purchasing tax documents, employee expense and subcontract acceptance. VAT, withholding tax, BOI attribution, revenue recognition and claims require qualified Thai tax/legal review; this is not professional advice.
Related modules
Steps
- 01
At initiation create one project code, owner, customer/internal sponsor, dates, organisation, currency and WBS; define eligible and excluded cost.
- 02
Budget material, labour, expense, subcontract and contingency by WBS and cost category; review and freeze the baseline without overwriting history.
- 03
Treat requisitions, POs, contracts, issues and expense requests as commitments; configure warning, block or escalation thresholds.
- 04
Capture actual issue/return, time, expense, subcontract acceptance and accounting posting with project, WBS, cost category and source.
- 05
Weekly compare budget, commitment, actual and estimate at completion; classify quantity, price, efficiency, scope, schedule and FX variance and assign ownership.
- 06
Submit a budget change for scope, price or plan movement, retaining reason, impact, funding, approver and effectivity; create a new baseline after approval.
- 07
At month end reconcile project subledger to GL, inventory, AP, expense and time, including uninvoiced cost and accruals.
- 08
At close stop new commitments, clear open purchasing and accruals, confirm final cost, revenue and margin, and archive variance lessons.
Implementation notes
- Replay the latest two months of one live project through budget, commitment, actual and forecast before rollout.
- Tier thresholds by project phase and value to avoid alert fatigue.
- Budget control, mobile time, contracts and third-party project integrations depend on subscription, release and blueprint.
References
- YonSuite 数字项目 ↗用友 YonSuite 官方网站 · Accessed: 2026-08-20 · Applicable version: YonSuite 项目立项、执行、核算、分析及项目预算与实际偏差公开能力；具体菜单与控制方式以订阅和蓝图为准
- YonSuite 智能财务 ↗用友 YonSuite 官方网站 · Accessed: 2026-08-20 · Applicable version: YonSuite 项目成本、多维核算与偏差分析公开能力；具体核算颗粒度以租户配置为准