Complete Guide for e-Filing Form B & Form P Malaysia (2026)

With e‑Filing now mandatory for most taxpayers in Malaysia, understanding Form B and Form P is crucial for sole proprietors, freelancers, and business partnerships. This guide covers everything for 2026: updated Year of Assessment, filing deadlines, preparation checklists, e‑Filing instructions via MyTax, and tips to avoid common errors.

 

What Are Form B and Form P?

Form B (Borang B)

Form B is the income tax return for individuals with business income, including:

• Sole proprietors

• Freelancers and self‑employed professionals

• Gig economy workers (e.g., Grab drivers, Shopee/TikTok Shop sellers)

This form covers all business income and deductions for the Year of Assessment (YA) 2025, which is filed in 2026.

 

Form P (Borang P)

Form P is the tax return for registered partnerships, including:

• Professional firms (law, accounting, consultancy)

• Trading partnerships

• Small businesses with two or more partners

Form P reports partnership income, profit/loss distribution to partners, and partnership details.
Both forms are submitted via the LHDN MyTax e‑Filing portal.

 

e‑Filing Deadlines & Penalties for Form B & Form P (YA 2025 / Filing in 2026)

For Year of Assessment 2025, the deadlines in 2026 are:

Tax Form	e‑Filing Deadline	Penalty 1	Penalty 2
Form B (Sole Proprietor)	15 July 2026	10% on unpaid balance	+5% after 60 days
Form P (Partnership)	15 July 2026	10% on unpaid balance	+5% after 60 days

Late submission may result in penalties; manual or paper submissions are no longer accepted for current assessment years.

Documents & Preparation for e‑Filing

For Form B (Individuals with Business Income):

• MyTax account login

• Profit & Loss statement for YA 2025

• Income records for the business

• Receipts for allowable deductions

• Tax relief claims (EPF, SOCSO, PRS, business expenses)

 

For Form P (Partnerships):

• Partnership registration number

• MyTax account login (main partner)

• Consolidated income statement for YA 2025

• Distribution of profit/loss to all partners

• Partner details (Name, NRIC/Passport, Tax Identification Number)

 

How to e‑File Form B & Form P in Malaysia 

1. Visit MyTax Portal

2. Log in with your e‑Filing ID / MyKad / passport and TAC

3. Go to e‑Filing > e‑Borang and select Form B or Form P

4. Fill in:

   • Business income and expenses

   • Tax reliefs and deductions

   • Bank details (for refunds)

5. Submit and save/print the acknowledgment slip

Tip: Use e‑CP500 for monthly tax instalments if your business income is high.

 

Common Mistakes to Avoid in 2026

• Using the wrong form (e.g., Form BE instead of Form B)

• Omitting business expense deductions

• Failing to report online platform income (Shopee, TikTok Shop, Lazada)

• Incorrect profit distribution for partnerships

• Missing the 15 July 2026 e‑Filing deadline

 

FAQs

1. What if I earn both employment and business income?

You must file Form B, not Form BE, and report both income sources.

2. Can I amend my Form B or Form P after submission?

Yes. Amendments can be made via e‑Amendment or by contacting LHDN.

3. Do online sellers or freelancers need to file Form B?

Yes. Any self-employed income or registered business must be reported using Form B.

Filing Form B and Form P in 2026 requires preparation and accuracy. With MyTax e‑Filing, the process is streamlined, but keeping detailed records of income, expenses, and tax reliefs is essential. Filing early ensures compliance and minimizes penalties, allowing you to focus on growing your business instead of worrying about taxes.

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References

• LHDN e‑Filing Programme 2026 – deadlines and guidelines

• Inland Revenue Board of Malaysia – MyTax e‑Filing instructions

• BP‑AST Malaysia – Form B & Form P overview

• eCentral Malaysia – Tax filing tips for small businesses and partnerships​​​​​​​