To file Personal Income Tax in Plateau State, you must register with the Plateau State Internal Revenue Service (PSIRS), obtain your Tax Identification Number (TIN), then submit your Annual Tax Return. The deadline is usually March 31 every year.

Below is the simple step-by-step guide:

Step-by-Step: Plateau State Tax Registration & Annual Filing

Step 1: Register for Tax (Get Your TIN)

You can register in 2 ways:

Option A — Online Registration (Recommended)

Go to PSIRS portal

Visit: PSIRS Tax Portal

Click Self-Assessment / Registration

Enter your details:

Full name

Phone number

Address

Occupation

Income details

Submit and your Tax Identification Number (TIN) will be generated.

Option B — Register at Tax Office

You can also register physically at:

Revenue House, PLIRS

Plateau State Board of Internal Revenue HQ

Bring:

NIN or valid ID

Phone number

Address

Income information

The PSIRS office will register you and issue your TIN.

Step 2: File Your Annual Tax Return

After getting your TIN:

Go to PSIRS portal again

Login with:

TIN

Phone number

Click Self-Assessment / Annual Return

Enter:

Your yearly income

Business or salary details

Allowances (if any)

Submit your tax return online.

psirs.gov.ng

Step 3: Pay Your Tax (If Applicable)

If you earn low income, your tax may be very small or zero

After filing, system shows amount (if any)

If You Want Help (Optional)

You can also get help from nearby tax professionals:

Brook Fountain Consults

Sani Bookkeeping Services LLC

Nchew Consulting

They can help you file quickly (usually cheap).

Important Notes

Filing deadline: March 31 every year

Even if you earn small income → You still file

No income → file Nil Return (very important)