Introduction

In business management, understanding inventory and stock is crucial for maintaining operational efficiency and ensuring compliance, especially within the KRA eTIMS system.

Inventory and stock refer to the goods and materials a business holds for resale or production. Inventory encompasses a variety of categories, including raw materials, work-in-progress items, and finished goods, while stock specifically pertains to the items available for sale.

Effective inventory management is essential for maintaining operational efficiency, ensuring customer satisfaction, and optimizing cash flow.

In the context of the KRA eTIMS system, meticulous tracking of inventory and stock levels is vital to avoid potential pitfalls. If not carefully monitored, businesses can face significant compliance challenges.

The eTIMS framework requires businesses to be vigilant about inventory dynamics, as stock levels fluctuate based on various transactions, such as purchases, sales, returns, and transfers that occur throughout their operations.

The table below provides a concise overview of the different operations that can influence stock levels:


AreaTypeDescription
ImportIncomingWhen new items are imported, the stock count should go up
PurchasesIncomingWhen new items are purchased, the stock count should go up
ReturnIncomingWhen a customer returns goods you have sold to them, the amount of the returned item should go up
OutgoingWhen you return goods you have bought to a supplier, the amount of the returned item should go down
Stock Movement/Branch TransferIncomingWhen a branch transfers stock to your branch, the amount of that item should go up in your branch
OutgoingWhen your branch transfers stock to another branch, the amount of that item should go down in your branch
Processing/BOMIncomingWhen you assemble a new item, the amount/count of that finished product you have assembled should go up
OutgoingWhen you assemble a new item, the raw materials you have used to assemble the new item should go down

Stock I/O

Stock I/O refers to the process of tracking the inflow and outflow of inventory within a business. In the context of the Electronic Tax Invoice Management System (eTIMS), Stock I/O plays a critical role in ensuring accurate reporting of stock movement and inventory levels.

To maintain real-time accuracy, eTIMS requires businesses to report any changes in their stocK, such as purchases, sales, or transfers through the Stock I/O endpoint. Additionally, businesses must regularly update the balance of each stock item via the Stock Master endpoint, ensuring that KRA has up-to-date records of inventory levels.

This HealthCloud eTIMS API streamlines stock tracking and enhances compliance with tax regulations by providing a clear record of inventory transactions.

Each operation is assigned a unique code, which must be included in the payload when reporting any inventory changes. The diagram below illustrates the various codes used for different operations:


CodeCode NameCode Description
01ImportIncoming - Import
02PurchaseIncoming - Purchase
03ReturnIncoming - Return
04Stock MovementIncoming - Stock Movement
05ProcessingIncoming - Processing
06AdjustmentIncoming - Adjustment
11SaleOutgoing - Sale
12ReturnOutgoing - Return
13Stock MovementOutgoing - Stock Movement
14ProcessingOutgoing - Processing
15DiscardingOutgoing - Discarding
16AdjustmentOutgoing - Adjustment

Stock Master

The Stock Master refers to the system responsible for keeping an up-to-date record of total inventory levels for each item in stock. It allows businesses to report the current quantity of any given product after adjustments, such as sales or purchases.

In KRA's eTIMS (Electronic Tax Invoice Management System), the Stock Master serves the critical function of keeping the Kenya Revenue Authority (KRA) informed of a business's current inventory levels. It allows firms to report the updated balance of their stock after any transactions, such as sales, purchases, or internal transfers.

By using the Stock Master endpoint, businesses provide KRA with real-time data on the quantities of items they have on hand. This ensures transparency and accuracy in tax reporting, especially for VAT-registered companies, as it helps KRA verify that tax invoices issued correspond to actual stock levels.

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Why Stock Master?.

In essence, the Stock Master maintains an ongoing, accurate inventory record to support compliance with tax regulations.


Bill of Materials (BOM)

KRA's Perspective

According to the Kenya Revenue Authority (KRA), a Bill of Materials (BOM) refers to a comprehensive list of raw materials, components, parts, and sub-assemblies required to manufacture or produce a specific product. It includes quantities, specifications, and sometimes the costs associated with each item.

In the context of KRA, the BOM is often used for inventory management, tax reporting, and ensuring compliance with excise duty regulations, especially when it comes to the production and manufacturing of excisable goods.

The BOM is a critical document in tracking materials for taxation purposes, ensuring that the right amount of duty or VAT is applied based on the consumption or production of goods.

KRA requires all BOMs to be sent to them. You can utilize Slade360 eTIMS APIs to send BOMs to the eTIMS system as the product, and its components must be registered.

A Comprehensive Overview

A Bill of Materials (BOM) is a critical document in manufacturing, engineering, and project management. It serves as a detailed inventory of all the raw materials, components, assemblies, and sub-assemblies required to produce a product.

For organizations implementing Enterprise Taxation and Invoice Management Systems (eTIMS) and professional accountants managing cost structures, understanding the nuances of BOM is essential for operational efficiency, financial accuracy, and compliance.

Key Components of a Bill of Materials

A well-structured BOM typically includes the following elements:

  1. BOM Level
    It indicates the hierarchy or sequence of components within the assembly. Items at the highest level represent the final product, while lower levels list sub-assemblies and individual components.
  2. Part Number
    It is a unique identifier assigned to each component or material. This ensures traceability and facilitates procurement and inventory management.
  3. Part Name
    It descriptive names of materials or components for ease of understanding and communication among stakeholders.
  4. Quantity
    It specifies the number of units required for each part to complete the final product.
  5. Unit of Measure (UoM)
    It defines the measurement unit for components, such as pieces (pcs), kilograms (kg), or meters (m).
  6. Procurement Type
    It is indicates whether the component is manufactured in-house or procured from a supplier.
  7. Cost Details
    It includes the unit cost of each material or component, enabling precise cost analysis and budgeting.
  8. Lead Time
    It specifies the time required to procure or manufacture each component.
  9. Revision Level
    It tracks changes in the design or specifications of components over time to ensure the latest version is used.
  10. Notes or Remarks
    This is additional information, such as assembly instructions, special handling requirements, or quality standards.

Types of Bills of Materials

  1. Engineering BOM (EBOM)
    It focuses on the design perspective and is created by engineers. It includes components based on the product's design specifications.
  2. Manufacturing BOM (MBOM)
    It is tailored for production processes, this BOM includes every material and component needed for manufacturing, along with assembly instructions.
  3. Sales BOM (SBOM)
    It is used in sales processes to list components and sub-assemblies required for a product package sold to customers.
  4. Service BOM
    It provides details for maintenance, repair, and service activities. It helps in identifying parts that need replacement or repair.

Importance of Bills of Materials in eTIMS

Understanding BOM is crucial for businesses involved in production and inventory management. Here's how BOM integrates with eTIMS:

  1. Cost Analysis and Budgeting
    BOM provides accurate cost details for each component, enabling eTIMS to calculate total production costs, identify cost-saving opportunities, and optimize pricing strategies.
  2. Tax Compliance
    eTIMS ensures compliance with tax regulations by maintaining an audit trail of materials and components listed in BOMs, facilitating accurate tax reporting and invoicing.
  3. Inventory Management
    A BOM helps in tracking stock levels of raw materials and components. eTIMS synchronizes this information with inventory modules to prevent overstocking or stockouts.
  4. Production Planning
    eTIMS leverages BOM data for production scheduling, ensuring that all necessary components are available when needed.
  5. Invoicing and Documentation
    BOM details are critical for generating invoices and shipping documents in compliance with statutory requirements.

The Accountantโ€™s Perspective on BOM

For professional accountants, BOM plays a pivotal role in financial and cost management:

  1. Standard Costing
    BOM serves as the foundation for standard costing by defining the cost structure of materials and labor.
  2. Variance Analysis
    Accountants use BOM data to compare actual production costs against standard costs, identifying variances and their causes.
  3. Profitability Analysis
    By integrating BOM costs into eTIMS, accountants can evaluate the profitability of individual products or product lines.
  4. Audit and Compliance
    BOM ensures transparency and traceability of materials, aiding in financial audits and regulatory compliance.
  5. Depreciation and Asset Management
    BOMs for capital equipment include detailed components, helping accountants manage depreciation schedules and lifecycle costs.

Challenges in Managing Bills of Materials

  1. Complexity in Product Design
    Products with multiple subassemblies require detailed and precise BOMs, which can be challenging to maintain.
  2. Frequent Updates
    Changes in design, materials, or suppliers necessitate frequent revisions, risking inconsistencies if not managed effectively.
  3. Data Integration
    Synchronizing BOM data with systems like eTIMS, ERP, and inventory management software requires robust data integration and validation processes.
  4. Compliance Issues
    Ensuring that BOM data aligns with tax, import/export, and industry regulations can be complex and time-consuming.

Best Practices for Effective BOM Management

  1. Standardization
    Use consistent formats and terminologies across all BOMs to avoid miscommunication.
  2. Automation
    Leverage software solutions like eTIMS to automate BOM creation, updates, and integration with other systems.
  3. Version Control
    Maintain a clear record of BOM revisions to track changes and ensure the latest version is used.
  4. Collaboration
    Encourage collaboration between engineering, production, and accounting teams to ensure BOM accuracy.
  5. Regular Audits
    Periodically review BOMs to identify errors, inconsistencies, or outdated information.

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Why use Bills of Materials?

A Bill of Materials (BOM) is more than just a list, it is the backbone of manufacturing and financial processes.

Mastering BOM management ensures operational efficiency, cost-effectiveness, and compliance. By integrating BOM data into systems like eTIMS, organizations can achieve seamless production workflows, accurate financial reporting, and strategic decision-making.