(a) for permitting an employee who represents the trade union or council of trade unions that is a party to or is bound by the agreement to attend to the business of the trade union or council of trade unions during working hours without deduction of the time so occupied in the computation of the time worked for the employer and without deduction of wages in respect of the time so occupied,

(b) for permitting the trade union or council of trade unions that is a party to or is bound by the agreement to use the employer’s premises for the purposes of the trade union or council of trade unions without payment therefor, and

(c) for providing free transportation and time-off during working hours without deduction of the time so occupied in the computation of the time worked for the employer and without deduction of wages in respect of the time so occupied to representatives of a trade union or council of trade unions or to employees for purposes of collective bargaining, the settlement of grievances or arbitration.