Bill & Tax Document Guides

Plain-English guides to bill and receipt formats for reimbursement and tax claims: fuel, rent (HRA), LTA and medical bills.

Fuel Bill Format for Reimbursement

What a valid fuel bill must show for employer reimbursement.

How to prepare rent receipts for an HRA tax claim, including the landlord PAN rule.

Documents that support a Leave Travel Allowance claim.

What a medical bill needs for employer or insurance reimbursement.

What a cab or taxi bill should show for expense claims: driver and vehicle details, pickup and drop, distance, fare, tolls and payment proof.

What a salary slip contains: basic, allowances, deductions, net pay and employer details, with a simple calculation example.

DSO formula, a worked example, what a good DSO is and how to reduce it by speeding up collections.

GST formulas for adding and removing tax, CGST/SGST/IGST splits and worked examples. Rates change, so check the current schedule.

The EMI formula, a worked example, how interest and principal change over time, and how tenure and rate affect your EMI.

What every invoice should include: seller and buyer details, number, dates, itemized charges, tax and payment terms, with tips to get paid faster.

The difference between a proforma invoice and a tax invoice, when each is used, and why a proforma is not a demand for payment.

What an internet or broadband bill should show for employer reimbursement: provider, plan, billing period, amount and payment proof.

CCC formula (DIO + DSO − DPO), a worked example, what a good cycle looks like and ways to free up cash.

How to write overdue invoice reminders at each stage, what to include and when to send them, with a free generator.

How 3-way matching compares purchase order, goods receipt and invoice to prevent overpayment, with tolerances and an example.