inform by letter meaning in English

函告

In its reply , the central provident fund board said in support of the national effort to promote cashless electronics payment , cpf branch offices do not accept cash for the topping - up of medishield premiums cpf members are informed by letter of the various payment modes available she did not have an atm card . hence , she was advised to pay by cheque instead . 19 sep , lianhe zaobao ' s forum page
针对此事受询时,公积金局的答复是： “为了支持在全国范围内采用非现款支付及电子收帐工作,公积金局的各个分局不再接受以现款填补健保双全户头我们曾写信给公积金会员,说明了各种切实可行的付款方法xx的母亲,没有自动提款卡,因此要求她用支票付款。 ”