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1. Master Prompt for Sole Traders (Non-VAT Registered)

Tax & Accounting
Act as an expert UK accounting assistant specializing in HMRC tax compliance. 

Generates a text-based, fully HMRC-compliant invoice using the following raw transaction details:
- My Name / Trading Name: [Insert Name]
- My Address: [Insert Address]
- Client Name & Address: [Insert Client Details]
- Invoice Date: [DD/MM/YYYY]
- Goods/Services Provided: [Insert Brief Description]
- Itemized Charges: [Insert Pricing/Hours]
- Unique Invoice Number: [Insert e.g., INV-2026-001]

Rule Constraints:
1. Include a clear header stating "INVOICE".
2. Ensure the invoice number is sequential and unique.
3. State the invoice date clearly.
4. List itemized goods/services with clear unit rates and line totals.
5. Provide a total figure due.
6. Include payment terms and bank account details for payment.
7. Add a explicit note stating: "Non-VAT registered entity. No VAT applied."

Format the final output as clean plain text with clear line breaks and bold sections ready for copying into standard document templates.

2. Master Prompt for VAT-Registered Limited Companies

Tax & Accounting
Act as a senior UK chartered accountant. Generate a full HMRC-compliant VAT invoice based on the details below.

Input Details:
- Full Legal Company Name: [Insert Ltd Name]
- Registered Company Number: [Insert 8-digit Company House Number]
- Registered Address: [Insert Address]
- VAT Registration Number: [Insert 9-digit GB VAT Number]
- Client Legal Name & Address: [Insert Client Info]
- Invoice Date: [DD/MM/YYYY]
- Tax Point / Date of Supply: [DD/MM/YYYY]
- Invoice Reference Number: [Insert e.g., VAT-2026-089]
- Line Items: [Description, Quantity, Unit Price Net, VAT Rate (e.g. 20%)]

Rules & Formatting Requirements:
1. Display legal company name, company number, and registered office address clearly.
2. Display the VAT Registration Number prominently (formatted as GB 123 4567 89).
3. Distinguish clearly between the Invoice Date and the Tax Point (Time of Supply).
4. Create a tabular itemized breakdown containing: Description, Quantity, Net Unit Price, Net Total, Applicable VAT Rate (%), and Total Line VAT.
5. Include a clear summary section showing: Total Net Amount, Total VAT Amount, and Total Payable (Gross).
6. Convert amounts to GBP where required.

Output format should be structured text ready to render into HTML or PDF.

3. AI Compliance Checker Prompt (Audit Existing Invoices)

Tax & Accounting
Act as an HMRC tax compliance auditor. Review the invoice text below and check it against official UK HMRC invoicing requirements.

Invoice Text to Review:
[Paste your draft invoice text here]

Your Analysis Task:
1. Verify if all mandatory HMRC legal elements are present (sequential number, dates, trader details, customer details, clear descriptions).
2. If VAT is present, verify that the 9-digit VAT number, tax point, net total, VAT rate, and total VAT are clearly specified.
3. List any missing mandatory fields or formatting non-compliance issues.
4. Provide a corrected, fully compliant version of the invoice text.

AI Prompt to Check GST Registration Requirements in Singapore

Tax & Accounting
"I need to understand if my business, 'ABC Pte Ltd' in Singapore, needs to register for GST. My taxable turnover for the past 12 months (ending [Latest Quarter End Date, e.g., 30 June 2026]) was [Amount, e.g., S$950,000]. We have also just secured a new contract in [Month, e.g., September 2026] that is expected to generate an additional [Amount, e.g., S$300,000] in taxable revenue over the next 6 months. Considering both retrospective and prospective bases, what is my GST registration status, and by when should I register if required? Please assume the current GST rate is 9% and the mandatory threshold is S$1 million."

Example 5: Capital Gains Tax on Real Estate

Tax & Accounting
Act as an international tax expert. I am an individual tax resident in [Country A] and sold a rental property located in [Country B] this year, realizing a capital gain.
How would this capital gain be treated under the [Country A]-[Country B] Double Taxation Treaty?
Which country has the primary taxing right over this capital gain, and what method does my resident country use to avoid double taxation?

Expert Tips for Complex Scenarios

Tax & Accounting
Based on the following criteria, draft a decision tree or questionnaire to determine whether an independent contractor should complete a Form W-9 or a Form W-8BEN:

1.  Is the contractor a U.S. citizen or a U.S. resident alien (as defined by IRS)?
2.  Is the contractor an entity formed under U.S. law (e.g., U.S. corporation, U.S. LLC)?
3.  If the answer to 1 or 2 is YES, what form is required?
4.  If the answer to 1 and 2 is NO (i.e., they are a foreign person), what form is generally required for an individual?
5.  What additional information should be requested from a foreign individual to determine U.S. tax withholding obligations (e.g., country of residence, tax treaty claims)?
6.  What should be done if the contractor is a foreign entity?

Output should be a clear, step-by-step guide for a non-expert.

Prompt for Expense Legitimacy

Tax & Accounting
I am a self-employed [Insert Profession] in the UK. I want to claim the following items as business expenses on my Self Assessment. For each item, tell me if it is "Likely Allowable," "Partially Allowable (Pro-Rata)," or "Likely to be Challenged by HMRC." Explain the HMRC "wholly and exclusively" rule for each.

Items:
1. [Insert Item, e.g., Home Office Internet]
2. [Insert Item, e.g., Client Lunch]
3. [Insert Item, e.g., Commuting to a fixed office]
4. [Insert Item, e.g., New Laptop used 80% for work]
5. [Insert Item, e.g., Professional Indemnity Insurance]

Provide the output in a clear list with justifications based on the latest HMRC Business Income Manual (BIM).

The Best AI Prompt for UK VAT Registration

Tax & Accounting
Act as a senior UK tax consultant and VAT expert. I am a business owner considering VAT registration with HMRC. My business type is [Insert Type, e.g., E-commerce, Consultancy, Construction], and my estimated annual turnover is [Insert Amount]. 

Please provide a comprehensive guide for my UK VAT registration based on the following requirements:
1. Eligibility Check: Confirm if I must register or if voluntary registration is advisable based on my business type.
2. Scheme Analysis: Compare the Standard VAT Scheme, the Flat Rate Scheme, and Cash Accounting. Recommend the most tax-efficient option for my specific business.
3. Documentation Checklist: List every piece of information and document I need to gather before starting the online HMRC application (e.g., UTR, NI number, bank details).
4. Making Tax Digital (MTD) Requirements: Explain my obligations under MTD and suggest 3 HMRC-compatible software options.
5. Common Pitfalls: Identify three common mistakes businesses in my sector make during VAT registration.

Format the response with clear headings and bullet points for readability.

1. AI Prompt for Determining FBAR and FATCA Filing Thresholds

Tax & Accounting
Act as an expert US expat CPA specializing in international tax compliance. I need help determining whether I meet the filing thresholds for FBAR (FinCEN Form 114) and FATCA (IRS Form 8938).

Here is my situation:
- Filing Status: [e.g., Single / Married Filing Jointly]
- Tax Residency: [e.g., Living abroad full-time in Germany / Living in the US]
- Peak account balances during the tax year (in USD or local foreign currency):
  * Account A (Foreign Checking Account): [Peak Balance & Currency]
  * Account B (Foreign Savings Account): [Peak Balance & Currency]
  * Account C (Foreign Pension / Investment): [Peak Balance & Currency]

Please analyze this data and tell me:
1. Do I meet the $10,000 aggregate peak threshold for FBAR?
2. Do I meet the FATCA Form 8938 threshold based on my filing status and overseas residency?
3. Provide a clear breakdown explaining why each account is or is not included in the aggregate threshold calculation.

1. AI Prompt for Freelancers and 1099 Solopreneurs

Tax & Accounting
Act as a specialized tax advisor for freelancers and 1099 independent contractors.

Analyze my year-end financial setup for maximum tax efficiency:
- Business Entity: [e.g., Sole Proprietorship / Single-Member LLC]
- Industry: [e.g., Digital Marketing / Software Consulting]
- Estimated Net 1099 Income: $[Amount]
- Estimated Quarterly Taxes Paid So Far: $[Amount]
- Major Purchases Planned for Next Year: [e.g., New laptop, software subscriptions, office furniture]

Please answer the following:
1. Should I accelerate planned business purchases into December to claim Section 179 or bonus depreciation?
2. What subtle, often-overlooked Schedule C write-offs apply specifically to my industry?
3. How can I optimize my Home Office Deduction (Simplified method vs. Actual Expense method) based on current IRS guidelines?
4. What is my recommended year-end contribution strategy for a Solo 401(k) or SEP-IRA?

Provide step-by-step instructions for implementation before December 31st.

1. AI Prompt for Sole Traders and Landlords (MTD ITSA)

Tax & Accounting
Act as a UK accounting software specialist. I am a [Sole Trader / Landlord] with an annual gross income of [Insert Income, e.g., £55,000] preparing for MTD for ITSA compliance. 

I manage [Insert details, e.g., 2 buy-to-let properties and freelance graphic design work]. I prefer a tool that is easy to use, mobile-friendly, and capable of submitting quarterly updates directly to HMRC without complex accounting jargon.

Recommend the top 3 simple MTD ITSA tools. Compare them based on ease of use, monthly cost, mobile app receipt capture, and capability to handle split income sources (e.g., property + self-employment).

1. Baseline Maximum Contribution Prompt (Sole Proprietor / Schedule C)

Tax & Accounting
Act as a CPA and self-employed tax expert. I need to calculate my maximum total Solo 401(k) contribution for the current tax year.

Here are my business details:
- Business Entity: Sole Proprietorship (Schedule C)
- Projected Net Schedule C Business Profit (Line 31): $[Insert Amount, e.g., 110,000]
- Age: [Insert Age, e.g., 42]
- Desired Output: Step-by-step breakdown of:
  1. Estimated Self-Employment Tax and the half-SE tax deduction.
  2. Adjusted Net Earned Income.
  3. Maximum Employee Elective Deferral.
  4. Maximum Employer Profit-Sharing Contribution (20% adjusted rate).
  5. Total Combined Contribution Limit.

Please state all IRS limits used for your math, cite official calculation rules from IRS Publication 560, and highlight any assumptions made.

1. Business Succession and Valuation Discounts

Tax & Accounting
Act as a business valuation expert and tax attorney. I need to explain the concept of "Lack of Marketability" and "Lack of Control" discounts to a client who owns 100% of an S-Corp valued at $15M. 

Prompt: Write a 500-word explanation that clarifies how transferring minority interests in the S-Corp to an Irrevocable Trust can reduce the taxable value of the estate. Use analogies to make the concept accessible but maintain legal accuracy regarding IRS Revenue Ruling 93-12.

1. Creating Your Mileage Log Spreadsheet Template

Tax & Accounting
Prompt: "Create a Google Sheets template for MTD-compliant business mileage tracking. Include columns for: Date, Start Location (address), End Location (address), Purpose of Journey, Start Odometer Reading, End Odometer Reading, Total Miles, Rate Per Mile (AMAP), Claimable Amount, and Notes. Add a formula for 'Total Miles' and 'Claimable Amount' based on a dynamic AMAP rate. Ensure it's ready for digital record keeping for HMRC MTD."

1. Decision Matrix for Your Business

Tax & Accounting
Act as a UK small-business accounting software adviser. Help me decide between bridging software (keeping spreadsheets) and full accounting software for Making Tax Digital.

My business:
- Type: [sole trader selling handmade candles online and at markets]
- VAT registered: [yes, standard scheme]
- Transactions per month: [about 120 sales, 40 purchases]
- Current records: [one Excel workbook, updated weekly]
- Staff and accountant: [just me; part-time external bookkeeper]
- Plans for the next 2 years: [add a second product line, maybe hire one person]
- Monthly software budget: [£15]

Output:
1. A weighted decision matrix with criteria (cost, set-up effort, error risk, scalability, reporting, accountant access) and a score for each option with a one-line reason.
2. A recommendation with the conditions under which it would change.
3. Three risks of the option you recommend.
4. A reminder to check HMRC's list of MTD-compatible software before buying.

Do not quote specific product prices as facts; say "check current pricing".

1. Eligibility & Threshold Assessment Prompt

Tax & Accounting
Act as an expert tax consultant specialized in Nepalese tax law and Inland Revenue Department (IRD) regulations. 

I want to determine whether my business needs to register for Value Added Tax (VAT) in Nepal. Here are my business details:
- Nature of Business: [e.g., Software Development / Retail Hardware / Restaurant]
- Estimated Annual Turnover: [e.g., NPR 25,000,000]
- Type of Transactions: [e.g., Exclusively Services / Goods / Mixed]
- Location of Operation: [e.g., Kathmandu Metropolitan City / Pokhara]

Please analyze this information based on the Value Added Tax Act 2052 and current financial regulations. Provide:
1. Clear determination if VAT registration is mandatory or voluntary.
2. The relevant threshold rule applicable to my business type (Goods vs Services).
3. Any compulsory registration rules that apply regardless of my turnover.
4. Next logical steps for registration.

1. Expense Categorization & Allowable Expenses

Tax & Accounting
Act as a corporate tax advisor. I am providing a list of categorized business expenses exported from FreeAgent. 

Review the list for non-allowable business expenses, particularly focusing on:
1. Business entertainment vs. staff entertainment
2. Personal vs. business proportions of motor or travel expenses
3. Subscriptions or dues that do not meet official tax deductibility rules

Data input:
[Paste your redacted FreeAgent Expense Export here]

Output a summary report detailing any items that should be reclassified before calculating net taxable profit.

1. Expense Categorization & Deduction Discovery

Tax & Accounting
Act as an expert U.S. small business tax consultant. I run a [insert business type, e.g., boutique digital marketing agency] structured as a [insert entity, e.g., single-member LLC].

Here is an anonymized summary of my annual operating expenses:
- Software & Subscriptions: $12,000
- Home Office Space: 250 sq ft (Total home: 2,000 sq ft)
- Client Entertainment & Dining: $4,500
- Business Travel & Vehicle Usage: 8,000 miles
- Professional Development & Courses: $3,000

Please perform the following:
1. Identify potential deductions under current IRS regulations for each listed category.
2. Highlight expenses subject to special limits (such as business meals or home office rules).
3. List 5 additional industry-specific write-offs I should track before the end of the fiscal year.
4. Explain the documentation required to make these deductions audit-resistant.