In T 552/97 the board interpreted R. 67 EPC 1973, looking in particular at the English text, as meaning that, where several appeals have been filed, each appellant's appeal fee may be reimbursed if such reimbursement was equitable.
Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_v_a_9_3_9.htm
Date retrieved: 17 May 2021