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Appropriate ongoing adjustments to security holder records.

Maintenance Margin

The money or securities an investor keeps in a margin account in order to be able to borrow from a brokerage for short sales or other purposes. The maintenance is kept as collateral until the brokerage calls the margin and the client pays back what is owed. FINRA requires that the maintenance kept must be at least 25% of the amount borrowed, while some brokerages require maintenances of up to 50%. See also: Restricted account.


the management process of repairing and maintaining buildings, plant, machinery and equipment to avoid breakdowns and disruption to production. Effective maintenance requires the firm to draw up appropriate plans and timetables, taking into account the frequency of maintenance required, available personnel, ordering and stocking of spare parts etc.

The maintenance function provides an important service to production, marketing and administration departments. Routine maintenance within a firm is often undertaken by the firm's own maintenance department, while major refurbishment of machines may be contracted to specialist outside firms.



The care and upkeep of a building to keep it in roughly the same condition as when it was first built,except for natural changes in the patina of finishes.

References in periodicals archive ?
The third aspect included in the framework is the occurrence and forms of resident involvement in open space maintenance.
Outsourcing was possibly the most common option for medium-sized companies, as in the size range 800-2000 apartments, 50% of companies used contractors for all their open space maintenance work, while the figures for the smaller and larger companies were 19% and 17% respectively.
Bone Grafting and the Importance of Space Maintenance Today, bone grafting for oral-maxillofacial anatomy is a common occurrence.
Lot 2 approximately 10,500 m2 of floor space maintenance cleaning and deep cleaning
Contract notice: Benefits of green space maintenance at cea grenoble
Contract notice: Green space maintenance of equipment and the eu industrial zones.
The contract is subject to Ritaharju and Kuivasrannan the city of Oulu responsibility of the street and green space maintenance and upkeep.
The contract is subject to the Oulu City of Oulu responsibility of the street and green space maintenance and upkeep.
These operations, later to be replaced by the Parks and Open Space Maintenance Garages, were surrounded by significant concrete/stucco walls.

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