According to Rule 71 and other regulations of the European Patent Convention (EPC) Implementing Regulations (IR)
(1)
In any communication regarding examination of the European patent application, the Examining Division shall, where appropriate, invite the applicant to correct any deficiencies noted and to amend the description, claims and drawings within a period to be specified.
(2)
Any such communication, shall contain a reasoned statement covering, where appropriate, all the grounds against the grant of the European patent.
(3)