| clear_cache | Clear the local HMRC data cache |
| get_corporation_tax | Download HMRC Corporation Tax receipts by type |
| get_fuel_duties | Download HMRC hydrocarbon oil (fuel duty) receipts |
| get_income_tax_stats | Download HMRC Income Tax liabilities by income range |
| get_property_transactions | Download monthly UK property transaction counts |
| get_rd_credits | Download HMRC R&D tax credit statistics |
| get_stamp_duty | Download HMRC stamp duty receipts |
| get_tax_gap | Download HMRC tax gap estimates |
| get_tax_receipts | Download HMRC tax receipts and National Insurance contributions |
| get_tobacco_duties | Download HMRC tobacco duty receipts |
| get_vat | Download HMRC VAT receipts |
| list_tax_heads | List available tax heads in the HMRC Tax Receipts bulletin |
| tax_heads | Tax head lookup table |