The Excel formula `I_EOL_GL_ACTCLN_PARENT_CODE` retrieves the code of the parent of a general ledger account classification from Exact Online. Parameters: - `divisionCode`: division code. - `childClassificationCode`: child classification code. - `distance`: number of levels up (defaults to 1). - `reportingSchemeCode`: reporting scheme code. Returns: code of the parent of a general ledger account classification.