Communications Xxxxxx Registration Allowance. An Employee who is required by the Employer to hold and utilise a current communications cabling registration in the course of their employment will be paid an all purpose allowance as specified in Appendix A, but only in respect of the week for which the Employee is engaged in duties for which registration is required. Provided that this clause 25.1 will not act to disadvantage any Employee who is already receiving a higher rate.