Create comprehensive AP Training Guide for Rover ERP implementation engineers

site/rover/AP-OVERVIEW/README.md

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-[ Data Entry Procedures ](AP-ENTRY/README.md) | [ Reports and Inquiries ](AP-REPORT/README.md) | [ Update Processes ](AP-PROCESS/README.md)
+[ Data Entry Procedures ](AP-ENTRY/README.md) | [ Reports and Inquiries ](AP-REPORT/README.md) | [ Update Processes ](AP-PROCESS/README.md) | [ Implementation Training Guide ](../AP-TRAINING/README.md)
 
 **Purpose**  
 The Accounts Payable module provides the ability to enter and maintain vendor

site/rover/AP-TRAINING/DATA-ENTRY/README.md

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+# Data Entry Procedures
+
+<PageHeader />
+
+This module covers the day-to-day AP data entry procedures, workflow configuration, and best practices for accurate and efficient invoice processing. Content is based on real customer implementations and field-tested approaches.
+
+## AP Entry Overview
+
+The primary data entry screen ([AP.E](../../AP-E/README.md)) is where most AP processing begins. Understanding efficient data entry procedures is critical for user productivity and data accuracy.
+
+### Entry Methods
+
+#### 1. Manual Invoice Entry
+- Direct entry of vendor invoices
+- Line-by-line detail entry
+- Manual GL account distribution
+
+#### 2. Purchase Order Matching
+- Match invoices to existing PO receipts
+- Automatic population of line items
+- Three-way matching validation
+
+#### 3. Recurring Item Processing
+- Automated creation from APR records
+- Monthly utilities, rent, services
+- Reduces manual entry workload
+
+## Step-by-Step Invoice Entry
+
+### Basic Invoice Entry Process
+
+#### Step 1: Access AP Entry
+1. Navigate to **Accounts Payable → Data Entry → AP Entry**
+2. Enter period (`.`) for new invoice or existing AP ID
+
+#### Step 2: Header Information
+1. **Vendor ID:** Enter vendor number or use name lookup
+2. **Invoice Number:** Enter vendor's invoice number
+3. **Invoice Date:** Date from vendor invoice
+4. **Terms:** Auto-populated from vendor master, editable
+5. **Description:** Brief description of invoice purpose
+
+#### Step 3: Line Item Entry
+For each line item:
+1. **Account Number:** GL account for expense
+2. **Amount:** Line item amount (positive for expenses)
+3. **Description:** Detailed line description
+4. **Project/Department:** If using departmental accounting
+
+#### Step 4: Validation and Save
+1. **Review totals:** Ensure header total matches line items
+2. **Check distributions:** Verify GL account assignments
+3. **Save record:** System validates and saves
+
+### Advanced Entry Features
+
+#### Multiple Account Distributions
+Single invoice line can be distributed across multiple GL accounts:
+```
+Line 1: Office Supplies - $500
+  Account 5100 - $300 (Administration)
+  Account 5200 - $200 (Sales Department)
+```
+
+#### Project/Job Costing
+When integrated with project management:
+- Enter project codes for cost tracking
+- Automatic budget validation
+- Project profitability analysis
+
+#### Tax Handling
+- Automatic tax calculations based on vendor setup
+- Manual tax override capabilities
+- Tax-exempt vendor processing
+
+## Purchase Order Matching
+
+### Three-Way Matching Process
+
+#### Automated Matching
+1. **Receipt Creation:** PO receipt creates accrual item
+2. **Invoice Matching:** Match vendor invoice to receipt
+3. **Automatic Population:** System fills line items from receipt
+4. **Variance Resolution:** Handle price/quantity differences
+
+#### Manual Matching Steps
+1. **Access AP Entry:** Start new AP item
+2. **Enter Vendor:** Select vendor with outstanding receipts
+3. **Select Receipt:** Choose from list of unmatched receipts
+4. **Review Details:** Verify quantities and pricing
+5. **Resolve Variances:** Handle differences per company policy
+
+### Variance Handling
+
+#### Price Variances
+**When invoice price differs from PO price:**
+- Document reason for variance
+- Obtain approval if over tolerance
+- Post variance to designated account
+
+#### Quantity Variances
+**When invoice quantity differs from receipt:**
+- Verify actual quantities received
+- Adjust receipt if necessary
+- Handle partial receipts appropriately
+
+## Recurring Item Setup
+
+### Creating Recurring AP Items ([APR.E](../../APR-E/README.md))
+
+#### Step 1: Access Recurring Entry
+1. Navigate to **AP → Data Entry → Recurring AP Entry**
+2. Enter period (`.`) for new recurring item
+
+#### Step 2: Configure Recurrence
+1. **Frequency:** Monthly, quarterly, annually
+2. **Start Date:** When processing should begin
+3. **End Date:** When processing should stop (optional)
+4. **Processing Day:** Day of month for automatic creation
+
+#### Step 3: Invoice Template
+1. **Vendor Information:** Standard vendor and terms
+2. **Line Items:** Template for each occurrence
+3. **Amount Handling:** Fixed amounts or variable entry
+
+### Recurring Processing ([APR.P1](../../APR-P1/README.md))
+
+**Automated Processing:**
+- Run monthly to create AP items from APR records
+- System creates items based on due dates
+- Manual review before posting
+
+**Manual Processing:**
+- Review generated items for accuracy
+- Make adjustments for variable amounts
+- Approve for final posting
+
+## Workflow Configuration
+
+### Approval Workflows
+
+#### Single-Level Approval
+```
+Entry → Approval (if over limit) → Payment Queue
+```
+
+#### Multi-Level Approval
+```
+Entry → Department Approval → Accounting Approval → Payment Queue
+```
+
+#### Amount-Based Approval
+```
+< $500: No approval required
+$500-$2000: Department manager approval
+> $2000: Controller approval
+```
+
+### Status Management
+
+#### AP Item Status Codes
+- **Open:** Available for payment
+- **Hold:** On hold pending resolution
+- **Approved:** Ready for payment processing
+- **Paid:** Payment has been issued
+
+## Data Entry Best Practices
+
+### Accuracy Guidelines
+
+#### Invoice Verification
+1. **Match to Supporting Documents:** PO, receipt, contracts
+2. **Verify Mathematical Accuracy:** Check invoice totals
+3. **Confirm Vendor Information:** Ensure correct vendor
+4. **Validate GL Accounts:** Use appropriate expense accounts
+
+#### Data Entry Standards
+1. **Consistent Descriptions:** Use standardized descriptions
+2. **Complete Reference Information:** Include all relevant references
+3. **Proper Date Entry:** Use invoice date, not entry date
+4. **Account Distribution:** Follow chart of accounts guidelines
+
+### Efficiency Tips
+
+#### Keyboard Shortcuts
+- Use vendor name lookup instead of memorizing numbers
+- Leverage default GL accounts from vendor master
+- Utilize copy functions for similar invoices
+
+#### Batch Processing
+- Group similar invoices for efficient entry
+- Process by vendor to minimize lookup time
+- Use recurring items for predictable expenses
+
+## Common Entry Issues and Solutions
+
+### Issue: GL Account Validation Errors
+**Symptoms:** Cannot save due to invalid account numbers
+**Causes:** 
+- Account number doesn't exist in chart of accounts
+- Account is marked inactive
+- Account is not set up for AP posting
+
+**Solutions:**
+- Verify account exists and is active
+- Check account setup in GL module
+- Use valid account from chart of accounts
+
+### Issue: Vendor Lookup Problems
+**Symptoms:** Cannot find vendor in system
+**Causes:**
+- Vendor not set up in vendor master
+- Using incorrect vendor name or ID
+- Vendor marked as inactive
+
+**Solutions:**
+- Verify vendor exists in vendor master
+- Use vendor inquiry to search by name
+- Check vendor status and activate if needed
+
+### Issue: Terms Calculation Errors
+**Symptoms:** Incorrect due dates or discount amounts
+**Causes:**
+- Wrong terms assigned to vendor
+- Terms setup incorrectly
+- Manual override of calculated fields
+
+**Solutions:**
+- Verify terms setup in terms master
+- Check vendor default terms assignment
+- Recalculate based on invoice date
+
+## Implementation Examples
+
+### Manufacturing Company Workflow
+*Based on anonymized customer implementation*
+
+**Challenge:** High volume of supplier invoices with complex approval requirements
+
+**Solution Implemented:**
+- Three-way matching for inventory purchases
+- Automated recurring setup for utilities and services
+- Department-based approval workflow
+- Daily processing batches for efficiency
+
+**Results:**
+- 60% reduction in processing time
+- Improved accuracy through automation
+- Better spend visibility by department
+
+### Service Company Workflow
+*Based on anonymized customer implementation*
+
+**Challenge:** Varied invoice types requiring flexible processing
+
+**Solution Implemented:**
+- Simplified approval workflow
+- Project-based cost tracking
+- Streamlined entry screens
+- Mobile-friendly approval process
+
+**Results:**
+- Faster vendor payment cycles
+- Improved project cost tracking
+- Reduced manual approval bottlenecks
+
+## Training Recommendations
+
+### User Training Program
+
+#### Initial Training (4 hours)
+1. **System Navigation:** Basic AP module navigation
+2. **Invoice Entry:** Standard invoice processing
+3. **PO Matching:** Three-way matching procedures
+4. **Error Resolution:** Common issues and solutions
+
+#### Advanced Training (2 hours)
+1. **Complex Distributions:** Multi-account entries
+2. **Recurring Items:** Setup and maintenance
+3. **Approval Workflows:** Understanding approval process
+4. **Reporting:** Basic AP reports and inquiries
+
+### Ongoing Support
+
+#### Reference Materials
+- Quick reference cards for common procedures
+- Troubleshooting guide for frequent issues
+- Contact information for system support
+
+#### Refresher Training
+- Quarterly review sessions
+- Updates for system changes
+- Best practices sharing
+
+---
+
+**Next Module:** [Payment Processing](../PAYMENTS/README.md)
+
+<PageFooter />