21.17(1) For the purpose of making a comparison for a key female job class using the proxy method, a seeking employer may request any potential proxy employer to provide it with the following information relating to a potential proxy establishment of the potential proxy employer:

1. Information about the duties and responsibilities of each female job class in the potential proxy establishment whose duties and responsibilities are similar to those of the key female job class of the seeking employer.
2. The pay equity job rate for each female job class in the potential proxy establishment referred to in paragraph 1.
3. The total cost of benefits provided to or for the benefit of the employees of the potential proxy establishment, expressed as a percentage of the total amount of all wages and salaries paid to those employees.
4. Such other information as may be prescribed in the regulations.