Performance standards and plans are convoluted by years of wrongly held preconceptions by all parties, layers of agency regulations, collective bargaining terms, statutory law, federal regulations, and a body of seemingly confusing and contradictory case law.
Performance evaluations, also called performance appraisals, performance ratings, and performance management, can be controversial for a number of reasons.
Supervisors have broad discretion in arriving at your end of year rating. If anyone else tells you different, they are lying to you or simply lack basic knowledge in federal personnel law.
The first thing any bargaining unit employee should do when determining whether they have a right to union representation is refer to their Master Agreement (union contract) or contact a Union Representative