It is against the law regarding equal opportunity employment rules and it is not how resumes are written. (careerresumes.com)
[130] He was also accused of breaking the post-ministerial employment rules of the Advisory Committee on Business Appointments by accepting the editorship without the committee's approval. (en.wikipedia.org)
The Independent Parliamentary Standards Authority should draw up post-public employment rules for MPs, taking into account differences in the incidence of conflict - of - interest risk between various roles (while also being sensitive to the job insecurity that elected MPs face). (politics.co.uk)