To be able to avoid the fake National Certificates modus, you just need to check the name of the person in the list of Certified TVET graduates online. In the Registry of Certified Workers, just type in the Name, Certificate No., and the Qualification.

Visit here to check your name online. Registry of Certified Workers ]
Beware of Fake TESDA's NC (National Certificates)
Next step is to make sure that you were being assess only inside the accredited TESDA assessment centers and you got the National Certificate inside any TESDA offices.

You can find the directory of all TESDA offices in the Philippines nationwide using the link below:

www.tesda.gov.ph/Directory/Regions/

Take note: Original National Certificates are not bought anywhere. So be careful of FAKE NCs.

ASSESSMENT AND CERTIFICATION [ source ]

TESDA pursues the assessment and certification of the competencies of the middle-level skilled workers through Philippine TVET Competency Assessment and Certification System (PTCACS). The assessment process seeks to determine whether the graduate or worker can perform to the standards expected in the workplace based on the defined competency standards. Certification is provided to those who meets the competency standards. This ensures the productivity, quality and global competitiveness of the middle-level workers.

TESDA has a Registry of Certified Workers which provides information on the pool of certified workers for certain occupations nationwide.

 TESDA also has accredited assessment centers as well as the competency assessors who conduct competency assessment process for persons applying for certification.

Frequently Asked Questions about ASSESSMENT AND CERTIFICATION
[ source ]

1. What is the PTQCS?

The Philippine TVET Qualification and Certification System (PTQCS) is a quality-assured structure used for giving recognition to the attainment of competencies (knowledge, skills, attitudes and values) along the middle-level skilled occupations. It is the process of determining the qualification level of a person and giving recognition to the attainment of competencies in that particular level.

2. What is competency assessment?

It is the process of collecting evidence and making judgments on whether competency has been achieved. It focuses in assessing an individual's skills, knowledge, attitude and work values relative to a unit or cluster of units of competency.

3. What is the basis for assessment and certification?

TESDA implements assessment and certification for all qualifications with promulgated Training Regulations.
The Training Regulation defines the knowledge, skills and attitudes/values required for competent performance in the workplace.
The competency requirements, as defined in the relevant Training Regulations shall be the take-off point of all corresponding qualifications, assessment and certification in all industry sectors.
The list of promulgated Training Regulations may be accessed at the TESDA Website: http://www.tesda.gov.ph

4. How is assessment conducted?

Assessment is conducted through any of the following evidence gathering methods: demonstration/observation with oral questioning, written test, interview, third party report, portfolio and submission of work projects.

5. Who may apply for assessment?

Students, workers or any individuals who wants to determine his/her qualification level.

6. Where can one apply for assessment?

 An individual may apply for assessment in any of the following:

a. Private TESDA-accredited assessment centers. The list of accredited assessment centers is uploaded in the TESDA website: www.tesda.gov.ph
b. TESDA Regional and Provincial Offices
c. TESDA TVET Institutions-Assessment Centers

7. What are the requirements for assessment?

 a. Duly-accomplished Application Form
 b. Three (3) Passport size picture with name written at the back of each picture
 c. Duly-Accomplished Self Assessment Guide

8. Who shall conduct the assessment?

Assessment shall be conducted by TESDA Accredited Competency Assessors

9. How much is the assessment fee?

The assessment fee is based on the list of fees promulgated by the TESDA Board and endorsed by the National Economic Development Authority. See the List here

10. Can the private TESDA-accredited assessment centers collect assessment fees?

Yes, the private TESDA-accredited assessment centers may collect assessment fee based on the TESDA Board promulgated assessment fee.

11. What is mandatory assessment?

Mandatory assessment is given to graduating students of WTR-registered programs. Assessment may be conducted in the facilities of the private TVIs designated as assessment venues. However, assessment must be facilitated by the TESDA Regional/Provincial Office or the TTI-TACs immediately after training.

12. What is a National Certificate (NC)? A Certificate of Competency (COC)?

National Certificate is issued when a candidate has demonstrated competence in all units of competency that comprised a Qualification.
Certificate of Competency is issued to individuals who have satisfactorily demonstrated competence on a particular or cluster of units of competency.

13. What is the validity of the NC or COC?

The NC or COC is valid for five (5) years.

14. How can a holder renew his/her expired NC or COC?

In areas where new Training Regulations have been promulgated, holders of NC/COC shall upon expiration undergo competency assessment based on the new competency standards and assessment tools in the absence of a new promulgated Training Regulations, holders of NC or COC shall upon expiration be renewed upon request of holder and after verification in the RWAC.

16. Where do the applicant apply for renewal and/or replacement of NC or COC?

An individual may apply for renewal and/or replacement of NC or COC in the TESDA District or Provincial Office where the original NC or COC was issued.

17. How can one verify the validity of the NC or COC?

TESDA maintains the Online Registry of Certified Workers containing vital information on the pool of certified workers nationwide. Access can be made by name, certificate number or by qualification. The registry is easily accessible thru the TESDA website: http://www.tesda.gov.ph

STEPS IN APPLYING FOR ASSESSMENT AND CERTIFICATION - REGULAR QUALIFICATIONS [ source ]

REGULAR QUALIFICATIONS
1. NEW APPLICANT
STEP 1:  Go to any TESDA Accredited Assessment Centers/TESDA District or Provincial Office near your location (See List Here) and apply for assessment.

STEP 2: Submit the following documentary requirements:
1. Duly accomplished Application Form;
2. Properly and completely filled-out  Self Assessment Guide of your chosen qualification;
3. Three (3) pieces of colored and passport size picture, white background, with collar and with name printer at the back;

STEP 3: Pay the Assessment Fee at the Assessment Center Cashier and get Official Receipt and Admission Slip. See List of Assessment Fees.

STEP 4: Be present at the scheduled date and assigned venue of assessment indicated in the Admission Slip.

DON’T FORGET TO BRING YOUR ADMISSION SLIP ON YOUR ASSESSMENT DATE.

STEP 5: Get the Competency Assessment Result Summary (CARS) at the Assessment Center.

STEP 6: Assessment passers must apply for certification at the TESDA District/Provincial Office where the assessment center/venue is under jurisdiction.

STEP 7: Assessment passers can claim their National Certificate (NC)/Certificate of Competency (COC) seven (7) working days after application for the issuance of COC/NC.

IMPORTANT: 

1. NC/COC must be released directly to the applicant. However, if to be claimed by a representative, a Special Power of Attorney (SPA) by the applicant should be submitted.

2. Assessment Results (CARS), Official Receipt issued by Assessment Centers and valid Identification Card (ID) should be also presented upon claiming of COCs.

3. Falsification or fraudulent duplication of documents shall be ground for disqualification/forfeiture of the right to participate in any assessment certification or similar program of TESDA.

2. RENEWAL/REVALIDATION
STEP 1:  Go to TESDA District or Provincial Issuing Office of your present certificate (NC/COC) and apply for renewal.

NOTE: In areas where Training Regulations (TR) has been promulgated, holders of NC/COC shall upon expiration undergo competency assessment based on the new TR.

In the absence of a new promulgated Training Regulations (TR), holders of NC or COC shall upon expiration be renewed upon request of holder and after verification in the RWAC.

STEP 2: Submit the following documentary requirements:

1. Duly Accomplished Application Form
2. Original NC/COC
3. Three (3) pieces of colored and passport size picture, white background; and
4. Certificate of work and/or teaching experience for at least 12 months during the validity period of the NC/COC in the relevant qualification and duly signed by the employer and/or school administrator. (For self-employed : signed by an official of any appropriate government agency)

STEP 3: Pay the Renewal Fee at the Assessment Center Cashier and get the Official Receipt.

STEP 4:  Claim your NC/COC on the scheduled date given by the TESDA issuing office.

IMPORTANT: 

1. NC/COC must be released directly to the applicant. However, if to be claimed by a representative, a Special Power of Attorney (SPA) by the applicant should be submitted.

2. Official Receipt and valid Identification Card (ID) should be also presented upon claiming of NC/COCs.

3. Falsification or fraudulent duplication of documents shall be ground for disqualification/forfeiture of the right to participate in any assessment certification or similar program of TESDA.

3.  REPLACEMENT FOR DAMAGE, LOST and CHANGES in the NATIONAL CERTIFICATE (NC)/CERTIFICATE of COMPETENCY (COC)

A. LOST NC/COCs

STEP 1:  Go to the TESDA-issuing office of your NC/COC and apply for replacement.

STEP 2:  Submit the following documentary requirements:

1. Letter of Request
2. Duly notarized Affidavit of Loss
3. Picture (1 pc., colored, passport size)
STEP 3:  Claim your NC/COC on the scheduled date given by the TESDA issuing office.

B. DAMAGED NC/COCs

STEP 1:  Go to the TESDA-issuing office of your NC/COC and apply for replacement.
STEP 2:  Submit the following documentary requirements:
1. Letter of Request
2. Original NC/COC
3. Picture (1 pc., colored, passport size)
STEP 3:  Claim your NC/COC on the scheduled date given by the TESDA issuing office.

C. ERRONEOUS ENTRY IN THE NC/COC

STEP 1:  Go to the TESDA-issuing office of your NC/COC and apply for correction of entry in NC/COC.

STEP 2:  Submit the following documentary requirements:
1. Letter of Request
2. Original copy of the NC/COC
3. Picture (1 pc., colored, passport size)
4. Certified photocopy of the Passport or Birth Certificate
STEP 3:  Claim your NC/COC on the scheduled date given by the TESDA issuing office.

IMPORTANT: 

1. NC/COC must be released directly to the applicant. However, if to be claimed by a representative, a Special Power of Attorney (SPA) by the applicant should be submitted.

2. Official Receipt and valid Identification Card (ID) should be also presented upon claiming of NC/COCs.

3. Falsification or fraudulent duplication of documents shall be ground for disqualification/forfeiture of the right to participate in any assessment certification or similar program of TESDA.

4.  CERTIFICATE OF AUTHENTICATION AND VERIFICATION (CAV) FOR TESDA ISSUED CERTIFICATE OF COMPETENCY (COC)

STEP 1:  Go to the TESDA-issuing office of your NC/COC and apply for Certificate of Authentication and Verification (CAV).

STEP 2:  Submit the following documentary requirements:
1. Two (2) photocopies of the NC/COC
2. Original NC/COC

STEP 3:  Pay the authentication fee (P50.00) to the Cashier and get Official Receipt

STEP 4:  Present Official Receipt to the TESDA Issuing Office for CAV.

STEP 5:  Get the CAV document from the TESDA Office.