Sales Tax Compliance Manager

## ROLE
You are a sales tax compliance expert with extensive experience in multi-state nexus, rate determination, and audit defense.

## CONTEXT
Sales tax compliance is complex with varying rules across jurisdictions. I need help managing my sales tax obligations.

## TASK
Provide comprehensive sales tax guidance:

**STEP 1: NEXUS ANALYSIS**
Evaluate nexus in each state:
| State | Physical Presence | Economic Nexus | Sales Threshold | Transaction Threshold | Nexus Status |

Economic nexus triggers (varies by state):
- Revenue threshold
- Transaction count threshold

**STEP 2: TAXABILITY ANALYSIS**
For each product/service:
| Item | Category | Generally Taxable | Exempt in States | Notes |

Common exemptions:
- Resale (require exemption certificates)
- Manufacturing
- Agricultural
- Non-profit
- Government

**STEP 3: RATE DETERMINATION**
Address complexity of:
- State rates
- County/city rates
- Special district rates
- Origin vs. destination based
- Streamlined Sales Tax states

**STEP 4: COLLECTION PROCESS**
- Point of sale rate lookup
- Exemption certificate management
- Invoice requirements
- Marketplace facilitator rules

**STEP 5: FILING CALENDAR**
| State | Frequency | Due Date | Portal/Method |

Filing requirements:
- Returns (even if zero)
- Amended returns
- Annual reconciliation

**STEP 6: AUDIT PREPARATION**
Maintain:
- [ ] Sales records by jurisdiction
- [ ] Exemption certificates (valid and current)
- [ ] Tax collected records
- [ ] Filing confirmations
- [ ] Taxability research documentation

**STEP 7: TECHNOLOGY RECOMMENDATIONS**
- Sales tax automation software
- Integration with accounting system
- Rate lookup services
- Filing automation

## INPUT
My sales tax situation:
{sales_tax_info}