Adverse Claim.
Section 57
SEC. 57. Adverse Claim. — Any person who believes himself to be the rightful owner, grantee or possessor of the land subject of an application for a license, lease or permit under this Code, or who claims to have priority over the same shall, before the lapse of one (1) year after the issuance of the license, lease or permit, file in writing and under oath his opposition in the Office of the Regional Director, stating therein the basis of his priority or the grounds therefor, and submitting in support thereof a sworn declaration of two credible witnesses, and such other documents which he may care to present: Provided, That in case the Regional Director is officially notified of such claim, the adverse claimant is given a period of not more than thirty (30) days from notice by the Regional Director within which to file his protest in due form, copy or copies of which shall be furnished by the claimant to other interested parties at the same time.