Summary

Business Rules Analysis (BRA) is a crucial business analysis technique that helps organizations maintain clarity, consistency, and compliance by identifying, expressing, validating, and managing the rules that govern their operations.

Abstract

Business Rules Analysis (BRA) is an essential technique in business analysis that focuses on the identification, articulation, validation, and management of business rules. These rules are directives that an organization controls and are derived from business policies, which in turn support business goals. BRA ensures that decisions and actions within an organization are consistent and compliant with laws and regulations. By separating business rules from processes, BRA allows for agility in response to market changes and simplifies the management of rule changes without affecting the underlying processes. The technique is particularly useful in sectors like banking and e-commerce, where clear rules are critical for operations like loan approvals and customer service policies.

Opinions

Business rules are seen as foundational elements of an organization's operations, guiding behavior and responses to various situations.
The separation of business rules from processes is emphasized as a best practice, allowing for independent changes and updates to rules without altering the processes themselves.
Business rules should be atomic, meaning they are expressed in the most granular and declarative format possible.
The use of decision tables and rules engines is recommended for managing complex business rules.
Business Rules Analysis is recognized for its strengths in promoting clarity, consistency, efficiency, flexibility, and compliance within an organization.
However, the technique has limitations, including the potential complexity of managing rules, the risk of inconsistent interpretation, and challenges associated with change management when rules are frequently updated.
The article suggests that Business Rules Analysis should be applied judiciously, considering factors such as system complexity, the reliability of rule sources, documentation detail, stakeholder expectations, and cost-benefit analysis compared to alternative techniques.

Mind the Gap with Business Rules Analysis

Mistakes can be expensive, particularly when they involve laws, rules, and compliance. Let’s delve into how we might use a straightforward yet effective business analysis technique to fend off regulators: Business Rules Analysis!

Hello fellow BAs, and Welcome Back for the tenth technique in the series Business Analysis Techniques.

Business Rules Analysis is a critical technique used in business analysis. It involves identifying, expressing, validating, and managing the rules that dictate the structure and operation of an organization. These rules, often implicit, guide the behavior of the organization and its response to different situations.

What are Business Rules?

According to IIBA, “A business rule is a specific, actionable, testable directive under the control of an organization, which supports a business policy. Business rules are derivable from business policies. A business policy on the other hand, is a non-actionable directive that supports a business goal.”

Business rules come from different components: terms, facts and rules. Terms represent definitions; facts build on terms while rules build on facts.

Business rules are a combination of guidelines and inferences that direct how we do business.

They are often referred to as “first class” citizens of the requirements world though they are different from, and documented separately from requirements.

Business rules are often referenced in requirements documents; managing them in a separate document prevents the need to modify separate portions of the requirements document if changes are made to the business rules.

Though business rules are not requirements, they can imply requirements and do constrain the proposed solution.

Business rules can relate to:

Access Control Issue: Only the Marketing Director can approve sales forecasts.
Policy: Eliminate any product with < 5% contribution to the business after its first 5 years.
Calculation: Minimum buffer stock is calculated as 10% of monthly sales forecast

Qualities Every Business Rule Should Have

Business rules should be atomic. They should be expressed in a format as granular and declarative as possible. A business rule should be framed as an atomic statement that defines a term, fact, constraint or derivation.
Business rules guide the flow of the process or how the system works. A business rule should be separated from the process that implements it. Roger Burlton recommends that BAs should “separate the flow from the know”, meaning the process should be separated from the business rules. This ensures that changes to a business rule can be made without changing the associated process. Rules are not process or procedure and should not be contained in them.

Business rules only become active or legit when stated explicitly.

What Forms Do Business Rules Take?

Business Rules are stated explicitly for the understanding of all parties to a process or business. Complex business rules are usually documented using decision tables. Business rules may also be implemented in a rules engine or expert system. Though they are mostly implemented through technology, they are not the result of the hardware or software that supports them.

Strengths of Business Rules Analysis

Clarity and Consistency

Business Rules Analysis helps ensure consistency in decision-making across the organization. By clearly defining the rules, everyone in the organization understands what to do in specific situations, leading to consistent outcomes.

Efficiency

By defining business rules, organizations can automate decision-making processes, leading to increased efficiency and consistency.

Flexibility

Business rules are easier to change than hard-coded business logic in software applications. This makes the business agile and responsive to market changes.

Compliance

Business Rules Analysis helps ensure that business operations comply with relevant laws, regulations, and standards, thereby reducing legal risks.

Limitations of Business Rules Analysis

Complexity

The process of identifying, defining, and maintaining business rules can be complex and time-consuming.

Interpretation

Business rules need to be interpreted and implemented by people. Differences in interpretation can lead to inconsistencies in how the rules are applied.

Change Management

While business rules offer flexibility, frequent changes can lead to confusion and instability in business processes.

Therefore, business analysts should apply business rules analysis with caution and discretion, and consider the following factors when choosing this technique:

The scope and complexity of the system and its business rules.
The availability and reliability of the sources of the business rules.
The level of detail and formality required for the documentation of the business rules.
The expectations and preferences of the stakeholders.
The cost and benefit of the technique compared to other alternatives.

Real-Life Examples of Business Rules Analysis

Banking Sector

In the banking sector, business rules might include regulations related to loan approval. For instance, a rule might state that “A loan application should be approved only if the applicant’s credit score is above 700 and they have a stable income source.” This rule guides the loan approval process, ensuring consistency and compliance with financial regulations.

E-Commerce Business

In an e-commerce business, a rule might be “If a customer’s total purchase exceeds $50, they are eligible for free shipping.” This rule is used to automate the decision-making process during checkout, improving efficiency and enhancing customer experience.

In both examples, the business rules are clear, consistent, and easy to manage. However, if the bank wanted to change the credit score or the e-commerce site wanted to change the free shipping threshold, they would need to update their business rules and all the systems that use those rules.

Business Rules Analysis is a powerful tool for guiding business operations and decision-making. However, it requires careful management to handle its complexity and ensure consistent interpretation of the rules.

Keep watching this space for more Business Analysis Techniques.

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