21.A.451 Obligations and EPA marking

(a)Each holder of a major repair design approval shall:

1.undertake the obligations:

(i)laid down in points 21.A.3A, 21.A.3B, 21.A.4, 21.A.5, 21.A.6, 21.A.7, 21.A.9, 21.A.439, 21.A.441 and 21.A.443;

(ii)implicit in the collaboration with the type-certificate, supplemental type-certificate and with the APU ETSO authorisation holder under point 21.A.433(b), as appropriate.

2.specify the marking, including EPA letters, in accordance with point 21.A.804(a).

(b)Except for type-certificate holders or APU authorisation holders for which point 21.A.44 applies, the holder of a minor repair design approval shall:

1.undertake the obligations laid down in points 21.A.4, 21.A.5 and 21.A.7;

2.specify the marking, including EPA letters, in accordance with point 21.A.804(a).