No, the certification issued by the EJ as required by the Rule should be sufficient.
The work done in their respective employment is not practice of law within the purview of CLEP. Otherwise, it will defeat the purpose of CLEP (i.e. provide legal service because Filipinos are underserved; instill pro bono culture and social responsibility)
Conflict of interest should be addressed by the protocol/rules of procedure of the law clinic.
Please refer to Sec. 2 of the Rule 138 – A
Clinical Legal Education Program is an experiential, interactive and reflective credit-earning teaching course with the objectives of providing law students with practical knowledge, skills and values necessary for the application of the law, delivery of legal services and promotion of social justice and public interest, especially to the marginalized, while inculcating in the students the values of ethical lawyering and public service. It consists of learning activities covered by this Rule undertaken in either a l) law clinic or an 2) externship, which shall incorporate the teaching of legal theory and doctrines, practical skills, as well as legal ethics.