fee: vpbank:kontokorrent:hold_mail

One row per fee charged on a product. Every row carries a source_page reference to the original bank PDF. NULL amount means 'on request' (tailored pricing) or 'not published in current source'.

This data as json

id	product_id	bank_id	fee_type	label	amount	currency	frequency	tier	channel	note	source_page	valid_from	access_tier
vpbank:kontokorrent:hold_mail	vpbank:kontokorrent	vpbank	mail_ch	Banklagernde Korrespondenz	1000.0	CHF	annual				10	2026-01-01	free