1. If 20 17 only fails in three subjects of professional practice, candidates can change their professional practice when registering online on 20 18.

Change method: when registering, you can check the major you want to change in the professional practice department;

2. If you pass the professional practice in the 20 17 exam and fail in other subjects, you can't change your major if you want to keep the score of the passed subjects. If you change your major, you can only reapply for all subjects.

Enter oneself for an examination level is divided into three categories:

(1) Add: corresponding to the candidates who have obtained the second-class construction engineer certificate.

(2) Exemption from the test 2: Candidates who have previously issued the project manager certificate or meet the exemption conditions.

(3) Take the general exam: for the exam that has never obtained the second-level construction engineer certificate, you can change the practical major at will under the general exam level. And the test scores passed before are still valid.

Extended data:

To apply for the qualification examination of the second-level construction engineer, you need to provide the following documents: qualification examination form (including photos), my identity certificate (ID card, military officer's card, motor vehicle driver's license, passport) and academic certificate (all of the above are originals).

The second-level constructor qualification examination is divided into comprehensive examination and professional examination. The comprehensive examination includes two subjects: building engineering regulations and related knowledge and construction management. These two subjects are unified examination subjects for all professional candidates, and the professional examination is professional engineering management and practice 1 subject.

Professional engineering management and practice disciplines are divided into 10 majors, namely: construction engineering, highway engineering, water conservancy and hydropower engineering, municipal public works, mining engineering and electromechanical engineering. Candidates choose a major to take the exam according to their work needs and their own conditions when registering.

References:

Baidu Encyclopedia-Secondary Builder

He' nan province personnel test center-grade 2 constructor