(1) A charge filed under 456 CMR 15.00 shall be in the form prescribed by the Department.(2) A charge of prohibited practice as defined in M.G.L. c. 150E, §§ 10(a) and (b) may be made by any individual, employer, employee or employee organization.(3) A charge made under 456 CMR 15.00 shall be in writing and signed by the charging party and shall contain a declaration by the signatory, under the penalties of perjury, that its contents are true and correct to the best of his or her knowledge and belief.Amended by Mass Register Issue 1322, eff. 9/23/2016.