
A unique quantity code (UQC) is a measurement unit in the GST (goods and services tax) framework, and all taxpayers use it uniformly. It is prominently featured on the GST portal and within e-way bills and e-invoicing systems. Understanding UQC is important for everyone who is registered for GST.
What is a Unique Quantity Code?
UQC's full form is unique quantity code, which denotes a measurement unit. For instance, an invoice would list 1 kilogram of wheat as 1 kg or 1 litre of oil as 1000 millilitres.
What is a Unique Quantity Code under GST?
According to the CGST (Central Goods and Services Tax) Rules, tax invoices, credit notes, and debit notes must include a UQC or a quantity unit description. For instance, 100 metres of fabric is denoted as MTR and appears on documents as 100 MTR.Where does UQC need to be declared during filing? In the GST process, UQC should be declared in e-invoices, e-way bills, and the HSN (harmonised system of nomenclature) summary section of GSTR-1.
Confusion Among Some Taxpayers Regarding Unique Quantity Codes
Businesses use different versions of the same code. For example, a metre might appear as Mtr., m, metre, metres, or meters. The GST portal recognises only the standard variation MTR-METERS. Any other form will result in an error.Therefore, when employing the Government’s GSTR-1 offline tool, choosing the proper code from the dropdown menu is advisable. You must enter quantity details using the specified UQC of the GST Portal, regardless of the unit of measurement you use.
How to Use Unique Quantity Codes in GST Returns
When you're filing GST returns, it's mandatory to specify the quantity of goods using the correct UQC. Here’s how you can effectively use UQCs in your GST returns: Step 1: Identify the Correct UQC: Choose the appropriate UQC that matches the unit of measurement for your transactions. You can look up the correct UQC by referring to the official list provided by the GST authorities. Step 2: Report in Invoices: When preparing invoices, list the quantity of the goods along with the corresponding UQC. For instance, if you sell 10 kilograms of rice, you should state it as "10 KGS." Step 3: Enter GST Returns: When submitting GST returns (like GSTR-1, GSTR-3B, etc.), always report the quantities using the standardised UQCs. This approach ensures accuracy and consistency, helping to avoid discrepancies in tax assessments. Importance of Unit Quantity Code in GST The use of the unit quantity code in GST holds importance for various reasons:
- Standardisation: UQCs help create uniform measurement units across diverse businesses and sectors, minimising discrepancies and confusion in tax documentation.
- Clarity in Transactions: Standardised codes simplify understanding the quantity and unit of measurement for goods and services exchanged.
- Ease of Compliance: A consistent code system streamlines GST compliance for businesses, lowering the risk of return mistakes.
- Data Accuracy: When uniform codes are employed for similar measurement units, it ensures precise data entry and reporting, supporting improved tax management and audit processes.
List of Unique Quantity Codes or UQC Codes
GST has not specifically defined quantity codes. Therefore, the UQC, as per Customs Rules, is still applicable. We have provided the GST format so you can file it straightforwardly. Remember, the first 3 letters represent the code to use. The remaining part explains the code. If you do not find a suitable quantity, use the "OTH-Others" code.
| S.No. | Quantity | Quantity Type | UQC Code |
| 1 | BAGS | Measure | BAG |
| 2 | BALE | Measure | BAL |
| 3 | BUNDLES | Measure | BDL |
| 4 | BUCKLES | Measure | BKL |
| 5 | BILLIONS OF UNITS | Measure | BOU |
| 6 | BOX | Measure | BOX |
| 7 | BOTTLES | Measure | BTL |
| 8 | BUNCHES | Measure | BUN |
| 9 | CANS | Measure | CAN |
| 10 | CUBIC METER | Volume | CBM |
| 11 | CUBIC CENTIMETER | Volume | CCM |
| 12 | CENTIMETER | Length | CMS |
| 13 | CARTONS | Measure | CTN |
| 14 | DOZEN | Measure | DOZ |
| 15 | DRUM | Measure | DRM |
| 16 | GREAT GROSS | Measure | GGR |
| 17 | GRAMS | Weight | GMS |
| 18 | GROSS | Measure | GRS |
| 19 | GROSS YARDS | Length | GYD |
| 20 | KILOGRAMS | Weight | KGS |
| 21 | KILOLITER | Volume | KLR |
| 22 | KILOMETRE | Length | KME |
| 23 | MILLILITRE | Volume | MLT |
| 24 | METERS | Length | MTR |
| 25 | METRIC TONS | Weight | MTS |
| 26 | NUMBERS | Measure | NOS |
| 27 | PACKS | Measure | PAC |
| 28 | PIECES | Measure | PCS |
| 29 | PAIRS | Measure | PRS |
| 30 | QUINTAL | Weight | QTL |
| 31 | ROLLS | Measure | ROL |
| 32 | SETS | Measure | SET |
| 33 | SQUARE FEET | Area | SQF |
| 34 | SQUARE METERS | Area | SQM |
| 35 | SQUARE YARDS | Area | SQY |
| 36 | TABLETS | Measure | TBS |
| 37 | TEN GROSS | Measure | TGM |
| 38 | THOUSANDS | Measure | THD |
| 39 | TONNES | Weight | TON |
| 40 | TUBES | Measure | TUB |
| 41 | US GALLONS | Volume | UGS |
| 42 | UNITS | Measure | UNT |
| 43 | YARDS | Length | YDS |
| 44 | OTHERS | OTH |
Streamline GST Process by Mastering Unique Quantity Codes
Adopting and correctly using unique quantity codes (UQC) in GST filings are indispensable for maintaining transparency and efficiency in tax administration. By standardising the expression of quantities across various industries and transactions, UQCs simplify the reporting process and enhance the accuracy of tax documentation. This means fewer errors in GST returns and smoother compliance procedures for businesses. As UQCs become a staple in e-invoices and e-way bills, understanding and implementing them correctly is crucial. Using a GST calculator can help businesses determine tax liabilities with greater accuracy, ensuring compliance with GST norms. Businesses are encouraged to adhere strictly to the prescribed codes, ensuring all transactions are recorded accurately to avoid potential pitfalls in tax assessments. The UQC list provided is essential for every GST-registered entity, facilitating a more seamless integration into the GST ecosystem.
FAQS - FREQUENTLY ASKED QUESTIONS
What exactly is the full form of UQC?
The full form of UQC is a Unique Quantity Code.
How do I use the UQC when filing GST?
You need to use the UQC to specify the quantity of goods on invoices and when submitting GST returns like GSTR-1 and GSTR-3B.
What should I do if I cannot find the UQC for my product?
If you cannot find the UQC for your product, you should use the "OTH-Others" code.
Where should the UQC be declared during GST filing?
The UQC should be declared in your e-invoices, e-way bills, and the HSN summary section of GSTR-1.
Can I use different variations of the measurement unit in the GST system?
No, you must use only the standard UQC variations as recognised on the GST portal; other forms may lead to errors.
Why is it important to use the correct UQC in GST filings?
Using the correct UQC ensures standardisation, reduces discrepancies, and helps in accurate tax documentation.
Is the UQC used only in India?
Yes, the UQC, as discussed in this article, is specific to the GST framework in India.
What happens if I use the wrong UQC in my GST filing?
Using the wrong UQC can lead to discrepancies in your tax documents and potential issues during tax assessments.
How do I choose the right UQC for my transactions?
Refer to the official list of UQCs provided by the GST authorities to choose the right UQC for your transactions.
What role does UQC play in GST compliance?
UQC simplifies GST compliance by providing a uniform system for reporting quantities, thereby reducing the chances of errors.
The information contained herein is generic in nature and is meant for educational purposes only. Nothing here is to be construed as an investment or financial or taxation advice nor to be considered as an invitation or solicitation or advertisement for any financial product. Readers are advised to exercise discretion and should seek independent professional advice prior to making any investment decision in relation to any financial product. Aditya Birla Capital Group is not liable for any decision arising out of the use of this information.

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