Section 13. Exemption from Registration. —

Registration shall not be required of the following persons:

  1. Practitioners in mining engineering engaged by the Republic of the Philippines for consultation or for specific purposes regarding the mining industry: Provided, That their practice shall be confined to such work only.

  2. Foreigners employed by private firms as technical consultants in branches of mining engineering, for which the pertinent professional society certifies that no qualified Filipino is available, the Board may, at its discretion, allow them to practice without registration subject to the following conditions:

    1. That the applicant's curriculum vitae shall be submitted to the Board on or before arrival in the country;

    2. That the applicant will not engage in private practice on his own account;

    3. That for every applicant one Filipino understudy who is registered under the provisions of this Act shall be employed by the private firm utilizing the services of such applicant for at least the duration of the alien expert's tenure with said firm; and

    4. That the exemption shall be good only for six months renewable for another six months at the discretion of the Board: Provided, That in case the applicant ceases to be employed in the categories provided in paragraphs (A) and (B) hereof, and engages in an occupation requiring registration as mining engineer, such person must be registered under the provisions of this Act: Provided, further, That those falling under paragraphs (A) and (B) of this section should first secure a certificate of exemption from the Board: And, provided, finally, That each private firm shall be allowed a maximum of three consultants at any one time.

  3. Practitioners who are registered mining engineers or are certified as mine, mill or quarry foreman under Act Numbered Two thousand nine hundred eighty-five, as amended, and under the rules and regulations promulgated thereunder, shall ipso facto be recognized and registered under this Act, and shall be allowed to retain their certificates issued by the former Board of Examiners.