What is one of the stipulations for a counselor when advertising?

The correct answer demonstrates a crucial principle in professional ethics and regulations for counselors. It is imperative for a counselor to demonstrate competence in their advertising. This means that any advertisement should reflect the counselor's qualifications, educational background, and specific areas of expertise. By doing so, potential clients can assess the suitability of the counselor for their needs, ensuring a level of trust and transparency in the therapeutic relationship. Competence must be evident through clear communication about the services offered, which helps uphold the integrity of the counseling profession.

In the context of the other choices, entertaining advertisements do not align with the serious nature of counseling services and could mislead potential clients about the effectiveness and professionalism expected in therapeutic contexts. Additionally, avoiding licensing details would undermine the counselor’s credibility and could lead to clients being unaware of whether the counselor practices legally and ethically. Lastly, providing vague details could create confusion and may not accurately inform potential clients about the services, thereby failing to uphold the standard of demonstrating competence.