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Tax Compliance & Statutory Filing

Automated VAT return schedules, 2.5% SSCL calculation, Withholding Tax certificates, and RAMIS e invoicing preparation.

SB
SyncBooks Product & Compliance Team
Colombo, Sri Lanka • Updated 2026-09-04
SyncBooks VAT Return, SSCL Breakdown & WHT Schedules
The Tax workspace is SyncBooks's signature compliance engine. Unlike generic accounting tools with rudimentary tax calculators, SyncBooks models the full Sri Lankan tax architecture natively: 18% VAT, 2.5% SSCL, Withholding Tax (WHT/AIT), and RAMIS e invoicing readiness.

Delivered Submodules & Capabilities

In depth breakdown of the 4 native components forming the Tax Compliance & Statutory Filing workspace:

4 active submodules
01

VAT return

/tax

Aggregates taxable turnover, exempt supplies, zero rated exports, and input tax from purchases into official IRD VAT Return schedules. Automatically computes net tax payable or refund credit.

Core Operational & Compliance Controls:
  • ✓Automated monthly and quarterly VAT schedule compilation
  • ✓Input VAT vs Output VAT netting with suspense reconciliation
  • ✓Taxable turnover categorization (Standard, Exempt, zero rated)
  • ✓Direct export into IRD RAMIS online upload formats
02

VAT refunds

/tax/vat-refunds

Manages input VAT credits exceeding output liabilities, tracking statutory refund claims submitted to the Inland Revenue Department, audit documentation packages, and carry forward ledgers.

Core Operational & Compliance Controls:
  • ✓Excess input tax credit carry forward tracking
  • ✓Formal IRD refund claim documentation assembly
  • ✓Audit support package generation with verified supplier invoice copies
  • ✓Refund disbursement reconciliation against bank accounts
03

WHT certificates

/tax/wht-certificates

Generates official tax deduction certificates for suppliers whose payments were subject to Withholding Tax (WHT/AIT), detailing gross amounts, tax rates, deducted sums, and payment dates.

Core Operational & Compliance Controls:
  • ✓One click generation of statutory IRD WHT/AIT certificates
  • ✓Automated certificate email delivery to affected vendors
  • ✓Monthly WHT deduction schedules for IRD payment remittance
  • ✓Cross reference audit tracking between certificates and bills
04

Tax rates

/tax/rates

Central statutory tax rule registry containing effective dated tax rates for VAT, SSCL, WHT, and stamp duty. Enables statutory rate changes to take effect automatically without code updates.

Core Operational & Compliance Controls:
  • ✓effective dated tax rule registry (data driven tax engine)
  • ✓pre configured 18% VAT and 2.5% SSCL calculation rules
  • ✓Custom tax exemption code mapping for specific commodities
  • ✓Audit trail of tax rate modifications and effective dates

Core Capabilities & Accounting Logic

effective dated Tax Rule Architecture

Sri Lankan tax policy evolves rapidly. SyncBooks stores tax rates as effective dated database rules, so statutory changes take effect on their legal date without disrupting historical records.

  • Historical invoices preserve the exact tax rates valid at their creation date
  • Zero code rewrites required when the IRD revises statutory percentages
  • Supports dual-taxation rules like compounding or cascading levies

RAMIS National e invoicing Ready

Architected from day one to comply with the Inland Revenue Department's phased electronic invoicing (RAMIS) mandate.

  • Generates structured JSON/XML data payloads matching IRD technical specifications
  • Enforces all 8 mandatory fields before invoice finalization
  • Automates digital signature and verification QR code embedding

Sri Lanka Statutory & Accounting Standards

Value Added Tax Act No. 14 of 2002 (with amendments)VAT 18%

Covers tax invoice standards, input deduction rules, and filing deadlines.

Social Security Contribution Levy Act No. 25 of 2022SSCL 2.5%

Turnover levy on importers, manufacturers, and service providers.

Inland Revenue Act No. 24 of 2017AIT / WHT

Mandatory withholding at source on designated commercial payments.

Standard Reports Generated

Report NameFrequencyDescription
VAT Return Summary (IRD Format)Monthly / QuarterlyOfficial return figures categorized per IRD filing boxes.
SSCL Turnover AssessmentQuarterlyTurnover breakdown for Social Security Contribution Levy liability.
Withholding Tax Audit RegisterMonthlyItemized record of all deductions at source with vendor TINs.

Frequently Asked Questions

How does SyncBooks handle the upcoming IRD RAMIS e invoicing mandate?↓

SyncBooks is built with an integrated RAMIS e invoicing pipeline. Invoices validate all required IRD fields upon creation and can transmit data payloads directly to the tax authority API as phases take effect.