Section B‑III, 3.5, in the Guidelines for Examination in the EPO applies mutatis mutandis.[Rule 33.3(b); GL/ISPE 15.25; ]

If applicants omit to file part(s) of the application and/or (an) entire element(s) thereof (i.e.

Since there is no right to amend the application until after the international search has been established, the international search must be carried out on the basis of the search copy of the application as transmitted to the EPO as ISA by the RO, except that obvious mistakes or formal matters which are contrary to the PCT and are called to the applicant's attention by the RO may be corrected (see also GL/PCT‑EPO H-IV).[Art. 19; Rule 91.1;

Although explicit references in the claims to features elucidated in the description or in the drawings are only permissible where "absolutely necessary" (cf.

The international search is carried out on the basis of the search copy of the application as transmitted to the ISA by the RO (see GL/PCT-EPO B-III, 2.3.1).[Art. 15(3); Rule 33.3(a); GL/ISPE 15.10; ]