✅ Submit Verification Request
📋 Eligibility
ℹ️ Any individual / organization that uses Measures and weighing or Measuring Instruments in commercial transactions and in regulatory activities belonging to the following measurement categories is eligible:
📏 Measures of Length
🧪 Measures of Capacity
- ➡️ Category 1 - Measures
- ➡️ Category 2 - Sub-divided measures
- ➡️ Category 3 - Liquor dispensing measures
⚖️ Weights
- ➡️ Weights used in the ordinary market place
- ➡️ Weights used by Chemists, Dispensers, jewelers OIML Class M1 and M2
📊 Weighing Instruments (Class 3 & 4)
- ➡️ Category 2 - Un-graduated Counter balances
- ➡️ Category 3 - Graduated Instruments (digital display)
- ➡️ Category 4 - Graduated Instruments (numeral display)
- ➡️ Category 5 - Class 2 Weighing Instruments
- ➡️ Category 6 - Class 1 Weighing Instruments
📐 Measuring Instruments
- ➡️ For liquid fuel
- ➡️ For lubricant oil
- ➡️ For liquor dispensing instrument
🖋️ Stamping Methods
🆕 Initial Stamping
For Manufacturers and Sellers (Importers)
🔄 Annual Stamping
For Retailers
⚙️ Process Information
🆕 Initial Stamping Process
🕒 Working Hours
📅 Monday to Friday
⏰ 8.30 am to 4.15 pm
📋 Procedure
📧 The individual or organization sends a request letter to Department addressed to the Director requesting the stamping of their instrument
📝 Note: If an individual or organization buys a new measuring instrument, they should be checked to see whether they are stamped. Otherwise it must be stamped by the Measurement Units, Standards and Services Department.
📞 The Department will inform the requester via mail or phone the time, date and location where the Inspectors will test the quality of the measuring equipment
📍 The applicant arrives at the specified venue with the measuring instrument
🔍 The Inspector examines and verifies the instrument
📄 If the instrument meets the requirements, the Department stamps the instrument and a certificate is issued to the party concerned.
⚠️ Important Note
During stamping if an inspector finds a particular instrument does not meet the requirements, the retailer/manufacturer is directed to a Technical Officer to make required adjustments to the instrument. If minor amendments need to be made, the Retailer/Manufacture can get it fixed and get it inspected again at that time. If it's a major amendment it cannot be fixed on the spot. The Retailer/Manufacture will have to get it fixed by an authorized person / agency.
🔄 Annual Stamping Process
🕒 Working Hours
📅 Monday to Friday
⏰ 8.30 am to 4.15 pm
📋 Procedure
📅 The Government Agent decides the stamping date and location and informs the Inspector.
👨💼 The Inspector informs the Grama Niladari
👥 The Grama Niladari then informs the retailers
🏪 The retailer visits the specified location and submits the instrument
🔍 The Inspecting Officer of Measurement Units, Standards and Services verifies Instrument
📄 If instrument meets requirements, Department stamps instrument and issues a certificate
📝 Note 1
If instrument does not meet the requirements and minor amendments are needed, the amendments can be made to the instrument by the Technical Officer at the location itself.
📝 Note 2
If instrument needs major amendments, the retailer can return it to the seller and get it repaired. Thereafter the seller will do the necessary amendments and get the instrument stamped at the District Secretariat and return the stamped instrument to the retailer.
📅 Validity Time Line
Retailers must ensure that their instruments are stamped each year.
⚠️ Complaint Process
⚖️ Complaints on violation of the Act
Any person who has information or evidence about any other person, in any place or area, by any means whatsoever, with direct or indirect, makes any false, incorrect or untrue declaration or statement as to the number, quantity, measure, gauge or weight of any goods or things in connection with their purchase, sale, weighing or measurement or in the computation of any charges for services rendered on the basis of weight or measure, or who sells, or causes to be sold or delivers or causes to be delivered to a purchaser anything by weight or measure short of the quantity demanded of or represented by the seller. Who uses for the purpose of any trade or has in possession for use in any trade, any weight or measure or weighing or measuring instrument which is not correct. May apply for this service as mentioned below.
📋 Procedure (Handling complaints made by the public)
💬 Public makes complaints via letter, phone, fax or visit the Director of the Measurement Units, Standards and Services Department.
📤 If the complaint is made to the Department, the Director forwards the complaint to the Asst. Superintendent.
👨💼 The Asst. Superintendent then informs the Government Agent at the Measurement Units, Standards and Services Division in the respective District Secretariat.
👮♂️ The Government Agent informs the Officer in Charge (OIC) of the Measurement Units, Standards and Services Division.
🚗 The OIC and the Inspector make a field visit and send a report to the Department.
⚖️ If persons mentioned in the complaint made by the public are found guilty, the Government Agent forwards the matter to courts.
📝 Note 1
A complaint could also be made direct to the Government Agent at the Measurement Units, Standards and Services Division in the respective District Secretariat who would inform the Officer in Charge.
📝 Note 2
If the Measurement Units, Standards and Services Department knows the complainant's name, he will be informed of the final result.
⏰ Time Line
Process Time Line: 1 - 4 weeks
📄 Support documents required
Support Documents are not necessary for this particular service. Citizens complaining are encouraged to provide evidence and information whenever possible.
⚖️ Penalties
🔗 Refer to the Offences and Penalties Section for detailed information.



