LOR Full Form in Visa: Why You Need a Letter of Recommendation The LOR is often synonymous with obtaining a visa, especially for student or work permits; it is a formal document written by an employer, professor, or mentor, vouching for an applicant's credibility and qualifications. In some cases, immigration authorities would call upon an applicant to reproach an LOR for clearing their background, skills, and intent for travel. A constructive LOR could fortify a visa application by justifying the applicant's good standing and genuine justification for travel, making assertion as to all achievements and contributions of the applicant. Any compelling LOR would then again affect the chances of approval. Read More : https://transglobaloverseas.com/blog/what-is-lor-certificate-101-guide/