GTZ-RAS Protax Application Software Development - Review

8/6/2019 GTZ-RAS Protax Application Software Development - Review

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Raj KishoreS/W Development Team Leader / Oracle DBAGTZ Revenue Administration Support, Nepal

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Purpose of RAS ProjectHelp the Inland Revenue Department (IRD)

Nepal establishing a simplified and fair TaxAdministration that functions effectively andefficiently

RAS is not the IRDs Partner but its Resource.

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RAS Project: Stakeholders

Ministry of Financethe partner agency

DANIDA & GTZadvising on and financing the reform

Taxpayersbeneficiaries of better legislation and tax administration

IMF, Worldbank, Asian Development Bank loans/grants depend on reform.

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Software DevelopmentProduct and Stage based Software Development LifeCycle

Analysis

Logical SpecificationPhysical Specification

Development

TestingImplementation and TrainingFine Tuning and Bug Fixing.

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Development

EnvironmentPRINCE2 as Project Management MethodMicrosoft Project as Project Management Software

SSADM as Analysis and Design MethodologySELECT SSADM as Case Tool

Oracle Designer as CASE Tool

Oracle Developer as Development Tool

Oracle 8i RDBMSMicrosoft Windows NT as OS and NOS.

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PRojects IN Controlled Environments(PRINCE2)

Benefits of using a Project Management Method:Method is repeatableMethod is teachableMethod builds on ExperienceEveryone knows what to expect

If one takes over a Project in the Middle,Status can be easily obtainedEarly Warnings of Problems

Proactive, not reactive.

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PRINCE2 / Key Principles

Distinguishes between Management of

the Development Process andTechniques involved in the DevelopmentProcess

Project must be driven by its Business

CasePRINCE2 is Product based.

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PRINCE2 / Structure

ProcessesComponents

Techniques

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Structured System Analysis and DesignMethodology

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Business Events

Functions Conceptual

Model

Processes

events/enquiries

event/enquiry output

External Design Conceptual Model

Logical Data

model

Function Definition Entity Behaviour

modelling

Logical Data

Modelling

Events, Enquiries, Functions


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System Development Template

InvestigationDecision

Structure

Specification

User

Organisation

Policies

and

Procedures

Construction

Conceptual model

Internal Design

External

DesignSelect from

optionsDecide who

is to use

system

and how

Decide what is to be done

Define conceptual

services

Map to data storagetechnology

Map to user

organisation

& interface

technology

Interface with

Technical

policies

& standards


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Business Activities and the 3-Schema Specification

Architecture

Business

Activity Model

Work Practice

Model

Conceptual

Automated Business

Activities

Updates & Enquiry

Processes

Logical Data Model

data storage

technology

PDI

Internal

Data-

baseentityaccess

events&

enquiries

External

Functions

Dialogues &batch I/O subsystem

Interface

technology

userroles

Information tosupport business

Inputs to keepdata up-to-date


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Software Development Life CycleAnalysis Products using SSADM

Business Analysis Business Activity Models User Catalogues

Work Practice ModelsRequirements Definition

Requirements Catalogue

Data Modeling Entity Matrix

Logical Data ModelData Flow Modeling

Context DiagramData Flow Models (physical and logicalised)

Business System Options.

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Software Development Life CycleLogical Specification Products using SSADMFunction Definitions

Function Descriptions I/O DescriptionsUser Role/Function Matrix

User Interface DesignWindows SpecificationDialogue DesignUser Object Modelling

Rational Data AnalysisNormalised Logical Data Model

Entity Behaviour Modelling Event/Entity Access Matrix Entity Life Histories

Conceptual Process Modelling Enquiry Access Path Effect Correspondence DiagramsUpdate Process Models.

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Software Development Life CyclePhysical Specification Products using Oracle Designer

Technical System OptionsProcess Models

Domain DefinitionsEntity Relationship ModelsFunction HierarchyServer-Side generated Objects

Generated ModulesData Base and Network DesignGenerated ScriptsPhysical Forms.

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Software Development Life CycleDevelopment Products

Physical Layout of Forms andReports

Re-code Forms and ReportsDebugged Server Code

Manuals.

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Software Development Life CycleSystem Testing Products

Test Plan

Test Cases

Tested Modules

Tested Modules integrated.

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Software Development Life CycleImplementation Products

Installed Data Base

Generated Schema

Parameterised init.ora

Installed client runtime, fmx, rap

Parameterised tnsnames.ora

Trained ICT Support PersonnelTrained Users.

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ProTax DatabaseAdministrationSchemas

Table StructuresViews

Snapshots

Application Parameters

Security SystemBackup

Scalability.

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ProTax ProceduresIT compatible Forms:

Registration

Income TaxVAT

Workflows

Document Flows

Batching System.

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ProTax RegistrationPermanent Account Number (PAN) Concept

Functions

Reports and Statistics.

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ProTax VAT AssessmentSelf-Assessment System

Functions

Charges and Interests FunctionsAppeal Functions

Rebate Functions

Assessment Reports and Statistics.

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ProTax VAT CollectionCrediting

Refund

Collection.

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ProTax Income TaxAssessmentSelf-Assessment System

FunctionsCharges and Interests

Review and Appeal

Remission

Tax Deduction at Source

Assessment Reports and Statistics.

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ProTax Income Tax

CollectionCrediting

Functions

DepositsRefunds

Enforcement

Reports and Statistics.

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ProTax UtilitiesNepalese/western Calendar

Email Composer

Document Upload/DownloadMaster Table Maintenance

Control Parameters

Security Parameters etc.

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Documents

GTZ-RAS Protax Application Software Development - Review