If the taxpayer asks to be notified in writing, the tax authorities will hand-deliver a signed copy or send the taxpayer by registered letter with acknowledgement of receipt or by electronic means, in accordance with the procedures set out in the second paragraph of article L. 112-15 of the Code des relations entre le public et l’administration (Code of relations between the public and the tax authorities), a proposal for taxation, stating the reasons for the proposal and giving the taxpayer the opportunity to comment on or accept it, within thirty days of receipt of the proposal.