counters in

The department's declaration counters in collection offices will be closed by April 2000 when submission of trade declarations by electronic means becomes compulsory.
香港海关收款处的报关柜位将于二零零零年四月全部关闭，届时所有贸易报关均须以电子方式进行。
counters in 是设服务台、柜台的意思。