1. e-Services Programme XML & Inland Revenue 22nd May 2003 Andy Greener Inland Revenue (UK) e-Services Programme

2. IR at a Glance (1) Business Administer & collect all direct taxes in the UK: - Personal/Sole Trader/Trusts/Partnerships (SA) - Corporate (CT) - National Insurance Contributions (NICs) - Payroll Deduction of tax & NICs (PAYE) - Tax Credits (NTC) - Stamp Duties - Student Loans, CGT, Inheritance Tax, PRT Not: - Excise & Customs Duties - VAT, IPT, APD, Landfill Tax, etc

3. IR at a Glance (2) SA -30 million taxpayers -9 million SA forms issued annually CT -1.5 million corporate entities -520,000 liable for Corporation Tax PAYE -43 million NI accounts -53 million EoY Returns NTC - 3 million applications

4. Drivers to Adopt XML Political -All Government services available on-line by 2005 - Self-imposed take-up targets -Internet focused >>> Internet standards - electronic Government Interoperability Framework (e-GIF) - migration of legacy electronic formats (EDI, Magnetic media) Cost-saving/revenue enhancing -Reduction in collection costs -Improvements in efficiency -Easier/better identification of risk -Higher compliance

5. Enterprise Approach e-Services Programme co-ordinating with Heads of Duty (HoDs) Hand-off generic services to Govt Gateway -Registration & Enrolment -Authentication & Authorisation -Agent management -Payment Common infrastructure (behind Govt Gateway) Provide basic browser access for all services (e-GIF requirement) Provide interfaces & support for third-party products -Complete technical information packs -Developer test service, “live” test service Portalisation

6. Challenges - internal Configuration management of Schemas & Rules -lack of repository-based products and tools -Representation/support of rules (co-constraints) Moving away from the paper form mind-set -Re-designing systems/interactions with taxpayers Planning for volume -Re-architecting or scaling-up existing infrastructure e-Channel co-existence -Internet, EDI, mag media XML penetration into back-end systems

7. Challenges - external Encouraging take-up -Educating users (marketing) -Encouraging third party software developers -Mandatory e-filing -PAYE EOY for medium/large co’s by April 2006 -All co’s by 2010, with incentive payments for smallest Working within the Govt Gateway framework -Service availability -Unsympathetic update cycles -Volume issues

8. Where are we using XML? Everywhere! - SA 4th year (EDI service turned off in next 2-3 years) - XML, XML Schema, 10 - 15 Schema files - PAYE 3rd year (EDI service remains for now) - XML, XML Schema, 8 - 10 Schema files - CT Phase A 1st year (No EDI legacy, still piloting) - XML, XML Schema, 9 Schema files - Phase B introduces XBRL embedded in XML - NTC 1st year (No legacy) - XML, XML Schema, 4-5 Schema files - Common Core Schema for IR-wide data-types

9. What do we want from Tax XML? Common framework for tax transactions -Reduce infrastructure costs -Reduce Schema management/development costs -Broaden range of services available Easier data interchange with other jurisdictions Ease of development for third parties -Broaden applicability across jurisdictions -Re-use of components