All Guides
Every XBRL guide
Fifteen plain-language guides, grouped from fundamentals through to troubleshooting. Start at the top if you're new to XBRL filing, or jump straight to what you need.
What Is XBRL Filing?
Singapore's XBRL requirement explained from first principles.
FundamentalsWhat Is XBRL?
The global data standard behind ACRA's requirement.
How It WorksBizFinx & BizFile+ Explained
The taxonomy, the tool, and the portal, one at a time.
How It WorksRegistering for BizFinx & CorpPass
Getting portal access sorted before you ever open BizFinx.
Special CasesFull vs Simplified XBRL
The S$500,000 test that decides which template you use.
ComplianceXBRL Filing Deadlines
Listed vs non-listed companies run on different clocks.
ComplianceLate Filing Penalties
Composition fines, escalation, and director disqualification risk.
TroubleshootingCommon BizFinx Errors
Why filings get rejected, category by category.
Special CasesDormant & Exempt Companies
Section 201A and EPC exemptions explained.
Special CasesForeign Companies & Branches
What changes for a branch versus a subsidiary.
Special CasesXBRL for New Companies
A first-timer's checklist for the first-year timeline.
ComplianceAnnual Return vs Financial Statements
Two different documents that share one deadline.
FundamentalsWhy File in XBRL?
The legal basis for the requirement, and what happens if you don't.
FundamentalsWho Must File XBRL?
A wider group than most people expect.
FundamentalsWho Doesn't Need to File?
Sole proprietors, LLPs, and other groups genuinely outside XBRL.
FundamentalsWhat to File in XBRL
Annual Return vs financial statements, and which template applies.
FundamentalsHow to File in XBRL
The step-by-step process, from BizFinx registration to lodgement.
Global ContextSingapore vs Global XBRL Standards
How ACRA compares to the US, UK, and Malaysia.
Free ToolFiling Deadline Calculator
Estimate your XBRL/Annual Return deadline instantly.
Free ToolFull vs Simplified Checker
Check your eligibility using the S$500,000 test.
Free Download
The XBRL Filing Readiness Checklist
A one-page, print-friendly checklist covering everything to confirm before you open BizFinx — deadlines, Full vs Simplified eligibility, exemptions, and the most common validation errors.
- Six sections, 20+ concrete checks — not vague advice
- Covers Annual Return and XBRL financial statement prep
- Built from current ACRA / BizFinx requirements
- Free, instant download — just tell us where to send it
Readiness Checklist2 pages · Free
Your checklist is ready
Click below to download — it's yours to keep and print.
Download the checklist →