Where a joint notice of appeal is filed in the trial court or docketed in the appellate court, or a joint petition for allowance of appeal is filed under Pa.R.A.P. 512, or a joint petition for review is filed under Pa.R.A.P. 512 or otherwise, or a joint petition for permission to appeal is filed under Pa.R.A.P. 1312(e), or a joint petition for specialized review is filed, or where any other filing under these rules is effected jointly as permitted by these rules, only one fee is payable, regardless of the number of parties to the filing.
210 Pa. Code r. 2702