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Financial Compliance Assistant for Bank

Scenario Overview

A major bank needs an AI system to help compliance officers navigate complex regulatory requirements and ensure adherence to financial regulations. The system must be able to:

  • Handle complex regulatory terminology and requirements
  • Provide accurate, up-to-date compliance information
  • Ensure consistent interpretation of regulations
  • Maintain audit trails and compliance reporting
  • Handle high-stakes regulatory queries with appropriate escalation

User Journey

1. Compliance Officer Query

User: "What are the reporting requirements for suspicious transactions over $10,000?"

2. System Response Flow

Step 1: Regulatory Query Understanding

# Regulatory query expansion with compliance terminology
expanded_query = compliance_expander.expand(
query="What are the reporting requirements for suspicious transactions over $10,000?",
domain="financial_compliance",
context={
"user_role": "compliance_officer",
"department": "risk_management",
"regulation_type": "AML",
"transaction_threshold": 10000
}
)

# Results in:
# - "suspicious transactions" → "SAR", "suspicious activity report", "AML", "money laundering"
# - "reporting requirements" → "filing requirements", "regulatory reporting", "compliance obligations"
# - "$10,000" → "threshold", "monetary threshold", "reporting threshold"

Step 2: Regulatory Document Retrieval

# Search regulatory databases and compliance documents
retrieval_results = hybrid_retriever.retrieve(
query=expanded_query,
k=30, # More candidates for complex regulatory queries
filters={
"regulation_type": "AML",
"document_type": "regulatory_guidance",
"jurisdiction": "US",
"last_updated": "2024-01-01"
}
)

Step 3: Compliance Reranking

# Rerank based on regulatory authority and recency
reranked_results = compliance_reranker.rerank(
query=expanded_query,
documents=retrieval_results,
context={
"regulation_authority": "FinCEN",
"regulation_type": "AML",
"compliance_level": "high"
},
top_k=10
)

Step 4: Compliance Response Generation

# Generate compliance-focused response with legal disclaimers
response = compliance_generator.generate(
query=expanded_query,
context=reranked_results,
compliance_level="high",
legal_disclaimers=True
)

3. System Response

# Suspicious Transaction Reporting Requirements (SAR Filing)

## Regulatory Authority
**FinCEN (Financial Crimes Enforcement Network)** - Primary authority for SAR filing requirements

## Reporting Thresholds
- **Mandatory SAR Filing**: Transactions ≥ $5,000 that are suspicious
- **Voluntary SAR Filing**: Transactions < $5,000 that are suspicious
- **Currency Transaction Report (CTR)**: Cash transactions ≥ $10,000 (separate requirement)

## SAR Filing Requirements

### 1. **Timing Requirements**
- **Filing Deadline**: 30 days from date of initial detection
- **Extension**: Up to 60 days with supervisory approval
- **Immediate Notification**: For ongoing violations or imminent harm

### 2. **Required Information**
- **Subject Information**: Name, address, SSN/EIN, date of birth
- **Transaction Details**: Amount, date, method, purpose
- **Suspicious Activity Description**: Detailed narrative of why activity is suspicious
- **Supporting Documentation**: Account statements, transaction records

### 3. **Filing Process**
- **Electronic Filing**: Through FinCEN's BSA E-Filing System
- **Form**: FinCEN Form 111 (SAR)
- **Retention**: 5 years from date of filing

## Compliance Obligations

### 1. **Internal Controls**
- **Suspicious Activity Monitoring**: Automated and manual monitoring systems
- **Employee Training**: Annual AML training for all staff
- **Record Keeping**: Maintain all supporting documentation

### 2. **Reporting Obligations**
- **Quarterly Reports**: Suspicious activity trends and patterns
- **Annual Reports**: AML program effectiveness assessment
- **Ad Hoc Reports**: As requested by regulatory authorities

## Legal Disclaimers
- This information is for general guidance only
- Specific situations may require legal counsel
- Regulations are subject to change
- Always consult with compliance legal team for complex cases

## Escalation Requirements
- **Immediate Escalation**: Transactions ≥ $100,000
- **Legal Review**: All SARs before filing
- **Management Approval**: Required for all SAR filings

Implementation Code

1. Compliance Configuration

# config/compliance_config.py
from packages.rag import HybridRetriever, CrossEncoderReranker
from packages.agents import RAGAgentGraph, AgentConfig
from packages.rag.query_expansion import ComplianceQueryExpander
from packages.observability import MetricsCollector, StructuredLogger

class ComplianceConfig:
def __init__(self):
# Compliance query expansion
self.compliance_expander = ComplianceQueryExpander(
domain="financial_compliance",
regulatory_terminology_file="data/regulatory_terminology.json",
compliance_abbreviations_file="data/compliance_abbreviations.json"
)

# Hybrid retrieval with compliance focus
self.hybrid_retriever = HybridRetriever(
vector_retriever=VectorRetriever(
model_name="text-embedding-3-large",
vector_store=OpenSearchStore(
index_name="compliance_knowledge_base"
)
),
bm25_retriever=BM25Retriever(
index_path="data/compliance_bm25_index"
),
alpha=0.8 # Favor vector search for regulatory terminology
)

# Compliance-specific reranking
self.compliance_reranker = ComplianceReranker(
model_name="cross-encoder/ms-marco-MiniLM-L-6-v2",
regulatory_authority_weight=0.9,
recency_weight=0.8,
compliance_level_weight=0.95
)

# Agent configuration for compliance domain
self.agent_config = AgentConfig(
model_name="gpt-4-turbo-preview",
temperature=0.02, # Very low temperature for regulatory accuracy
max_steps=8,
retrieval_k=30,
rerank_k=10,
enable_web_search=False, # Disable web search for regulatory accuracy
enable_escalation=True,
cost_limit=0.20
)

2. Compliance Knowledge Base

# data/compliance_knowledge_base.json
{
"documents": [
{
"id": "sar_filing_requirements_001",
"title": "SAR Filing Requirements and Procedures",
"content": "Comprehensive guide to SAR filing requirements...",
"metadata": {
"regulation_type": "AML",
"regulatory_authority": "FinCEN",
"document_type": "regulatory_guidance",
"jurisdiction": "US",
"compliance_level": "high",
"last_updated": "2024-01-15",
"source": "FinCEN",
"evidence_level": "official"
}
}
]
}

3. Compliance Agent Implementation

# agents/compliance_agent.py
import asyncio
from typing import Dict, Any, List
from packages.agents import RAGAgentGraph
from packages.observability import MetricsCollector, StructuredLogger

class ComplianceAgent:
def __init__(self, config: ComplianceConfig):
self.config = config
self.agent_graph = RAGAgentGraph(
config=config.agent_config,
tool_registry=config.tool_registry
)
self.metrics = config.metrics_collector
self.logger = StructuredLogger()

async def handle_compliance_query(self, query: str, user_context: Dict[str, Any]) -> Dict[str, Any]:
"""Handle compliance query with full pipeline."""
start_time = time.time()

try:
# Step 1: Compliance query expansion
expanded_query = await self._expand_compliance_query(query, user_context)

# Step 2: Regulatory document retrieval
retrieval_results = await self._retrieve_compliance_documents(expanded_query, user_context)

# Step 3: Compliance reranking
reranked_results = await self._rerank_compliance_documents(expanded_query, retrieval_results, user_context)

# Step 4: Compliance response generation
response = await self.agent_graph.ainvoke({
"query": expanded_query,
"retrieved_docs": retrieval_results,
"reranked_docs": reranked_results,
"user_context": user_context,
"compliance_level": "high"
})

# Step 5: Compliance validation
validated_response = await self._validate_compliance_response(response, user_context)

# Step 6: Audit logging
await self._log_compliance_interaction(query, response, user_context)

return validated_response

except Exception as e:
self.logger.error(f"Compliance query failed: {e}")
return await self._handle_compliance_error(query, e, user_context)

async def _validate_compliance_response(self, response: Dict[str, Any], user_context: Dict[str, Any]) -> Dict[str, Any]:
"""Validate compliance response for accuracy and completeness."""
# Check for required legal disclaimers
if not response.get("legal_disclaimers"):
response["legal_disclaimers"] = self._get_standard_disclaimers()

# Check for regulatory authority citations
if not response.get("regulatory_citations"):
response["regulatory_citations"] = self._extract_regulatory_citations(response)

# Add compliance metadata
response["compliance_metadata"] = {
"user_role": user_context.get("user_role"),
"department": user_context.get("department"),
"query_timestamp": datetime.utcnow().isoformat(),
"compliance_level": "high"
}

return response

Features Demonstrated

1. Response Consistency

  • Uniform regulatory interpretation
  • Consistent compliance language
  • Standardized legal disclaimers

2. Error Handling

  • Graceful handling of ambiguous regulatory language
  • Fallback responses for unclear requirements
  • Escalation for complex regulatory issues

3. Rate Limiting

  • Tiered access based on user role and clearance level
  • Burst protection for high-stakes queries
  • Fair resource allocation

4. Cost Management

  • Budget controls for expensive regulatory queries
  • Cost tracking per department
  • Automatic escalation when cost thresholds exceeded

5. Analytics & BI

  • Compliance pattern analysis
  • Regulatory query trend monitoring
  • Risk assessment and reporting

6. Security & Compliance

  • Advanced PII detection and data protection
  • Audit trail maintenance
  • Compliance reporting and monitoring

Next Steps

  1. Deploy the compliance system with proper security controls
  2. Ingest regulatory knowledge base with proper metadata
  3. Configure compliance policies and validation
  4. Train compliance staff on the new system
  5. Monitor compliance accuracy and audit requirements

Ready to implement? Start with the compliance knowledge base setup and work through each component step by step! 🏦