The phrase "a companion document" is correct and usable in written English.
It can be used to refer to a supplementary document that provides additional information or context related to a primary document.
Example: "Please refer to the companion document for further details on the project specifications."
Alternatives: "an accompanying document" or "a supplementary document".
This paper illustrates key concepts underlying AID, while a companion document, The Enterprise AID methodology: Application, draws from a prototyping effort to identify value to be gained by stakeholders from PMSs designed and deployed with methodology application.
But in a companion document, Research and Development Essential Foundation for U.S. Competitivenesss in a Global Economy, the group warns of declining support for basic research that "could over time have severe implications for U.S. competitiveness in international markets and for highly skilled … jobs at home".
In a companion document to the Toronto Charter, seven 'investments that work' in relation to PA promotion are noted.
In effect, a companion document is also before the Committee, providing preliminary information on Programme of Work Proposals for 2004-05 regarding Major Programme 2.4: Forestry.
One PRC created a self-report questionnaire as a companion document for their prenatal record, to facilitate collection of personal information: "We found that sometimes the physicians were uncomfortable about asking those questions…so we introduced the [X] questionnaire, which is completed by the mother herself (Case 1).
Author: Susan Fox, Zinhle Nkosi & Ulrike Kistner Price: - - No. of pages: 101 Publication date: 2003 Publisher: Centre for AIDS Development, Research and Evaluation (CADRE), Department of Health, the Danish Government and UNICEF Languages: English ISBN: - - Sales no.: - - This bibliography is a companion document to a series of review on gender-based violence and HIV/AIDS in South Africa.
NSB members feel such strong "continued and growing concern" about the situation that they also issued a shorter companion document, America's Pressing Challenge Building a Stronger Foundation, as an urgent call to action.
A companion Pentagon document envisions that the Libyan commando force will "counter and defeat terrorist and violent extremist organizations".
The component method extracts from Eurocodes 3 and 4 and its companion document was used to determine the negative moment capacity and initial rotational stiffness.
This document addresses the evaluation and use of multimodality imaging in the diagnosis and management of valvular heart disease, whereas the second, companion document addresses this topic with regard to structural heart disease.
Its companion document, Enhanced Protection for Children Affected by AIDS, makes the important point that investing in family support services is a critical aspect of social protection (UNICEF, 2007).
