The old one can not be used, you need to get a new one.
The State Administration of Safety regulations, special operations license is overdue for three months without review, as the document is invalid.
Special operation license needs to be reviewed, should be within 60 days before the expiration of the applicant or the applicant's employer to the original assessment of the licensing authority or practice where the assessment of the licensing authority to apply, and submit the following materials:
(a) the community or the county level or above, the medical institutions issued a certificate of health;
(b) to engage in special operations;
(c) to engage in special operations;
(C) safety training examination records.
Expanded:
Welder's license review process:
1, with the relevant documents to the document issued by the Safety Supervision Bureau or qualified training and assessment units to register.
2, registration through the relevant departments to participate in the unified training and examination arranged by the relevant departments.
3, after passing the examination in the documents on the review stamp. 4. If it is the second review, the new documents.
Welder special operations license review notes:
1, to be in the validity of the document, review date 2-3 months before the date of registration to the Safety Supervision Bureau or a qualified unit.
2, if you need to review the documents after the review date can not apply for review, only to re-apply for a new license.
Baidu Encyclopedia - Welder's License