Sec. 529A ABLE accounts may be set up before the IRS issues guidance. By Sally P. Schreiber, J.D. The IRS announced on Tuesday that state ABLE programs that are established before the Service issues guidance under Sec. 529A will be deemed to comply with the rules when they are issued.
ORDINARY PORTLAND CEMENT (OPC). Ordinary Portland Cement (OPC) is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater.RDINARY PORTLAND CEMENT (OPC). Ordinary Portland Cement (OPC) is the most common cement used in general concrete construction when there is no exposure to sulphates in the soil or groundwater.
As such, the acronym OPC was borne from OLE (object linking and embedding) for Process Control. These specifications, which are now known as OPC Classic, have enjoyed widespread adoption across multiple industries, including manufacturing, building automation, oil and gas, renewable energy and utilities, among others.