on an ad-hoc basis vs on ad-hoc basis

Both "on an ad-hoc basis" and "on ad-hoc basis" are correct, but they are used in slightly different contexts. The phrase "on an ad-hoc basis" is more common and formal, while "on ad-hoc basis" is less common and might be considered more informal.

Last updated: April 01, 2024 • 277 views

This phrase is correct and commonly used in English.

"on an ad-hoc basis"

This phrase is used to describe something that is done on a temporary or as-needed basis without a formal structure.

Examples:

The team meets on an ad-hoc basis to discuss urgent matters.
She helps out on an ad-hoc basis when needed.
Training sessions are scheduled on an ad-hoc basis.
Consultations with the expert are arranged on an ad-hoc basis.
The committee was formed to address issues on an ad-hoc basis.

Show examples from the web [+]

It shall also include any relevant information requested by the European Parliament on an ad-hoc basis.
Such arrangements may provide for representation, on an ad-hoc basis, as an observer, on the General Board and should concern only items of relevance to those countries, excluding any case where the situation of individual financial institutions or Member States may be discussed.
considers that the current situation is rather fragmented and that contact and reporting takes place too often only on an ad-hoc basis;
the undertaking is able to provide the information on an ad-hoc basis.
the compliance function reports on an ad-hoc basis directly to the management body where it detects a significant risk of failure by the firm to comply with its obligations under Directive 2014/65/EU;
Unless concluded on organised market places, the following contracts and details of transactions in relation to those contracts shall be reportable only upon reasoned request of the Agency and on an ad-hoc basis:
Specific SALW Troikas are also organised on an ad-hoc basis.
In the meantime, the Regulation would allow unused slots to be allocated temporarily and on an ad-hoc basis to other airlines.
European States reacted to a common challenge on an ad-hoc basis and with no consultation.
In close collaboration with EU Delegations in third countries, the Commission brings concrete support on an ad-hoc basis to solve specific issues that may arise.
The CAB also organizes field inspections on an ad-hoc basis when needed as described in the TLAS Guidelines.
sportspersons and artists performing an activity on an ad-hoc basis,
Standardisation inspections shall be conducted by the Agency on a regular and, where appropriate, on an ad-hoc basis.
To highlight new and emerging needs of Community statistics, specific Community surveys could be conducted on an ad-hoc basis.
Where necessary for the effective monitoring of systemic risk, the competent authorities of the home Member State may require information in addition to that described in this Article, on a periodic as well as on an ad-hoc basis.
Any changes thereafter shall be reported to the NCB on an ad-hoc basis, at the latest within three months.
Nevertheless, we cannot be content with closing the legal gaps on an ad-hoc basis.
The Chair of the Customs Sub-Committee may, upon agreement of the other Party, invite representatives of other bodies of the Parties or independent experts in a subject area on an ad-hoc basis to attend its meetings in order to provide information on specific subjects.
Individual aid to R & D projects can be granted on an ad-hoc basis or on the basis of an approved aid scheme.
In addition to the information referred to in Articles 7a to 7e, 8, 9, 10, 11a and 18, the Report shall also include any relevant information requested by the European Parliament on an ad-hoc basis.

Alternatives:

as needed
when necessary
informally
occasionally
sporadically

This phrase is correct but less common in English.

"on ad-hoc basis"

This phrase is also used to describe something that is done on a temporary or as-needed basis without a formal structure, but it may be considered more informal.

Examples:

The team meets on ad-hoc basis to discuss urgent matters.
She helps out on ad-hoc basis when needed.
Training sessions are scheduled on ad-hoc basis.
Consultations with the expert are arranged on ad-hoc basis.
The committee was formed to address issues on ad-hoc basis.

Show examples from the web [+]

Contracts for balancing services, contracts between different members of the same group of companies and contracts for the sale of the output of small energy production facilities should be reported to the Agency only at its reasoned request on ad-hoc basis.
Reports can be: in frequent use; or on ad hoc basis and aid decision making.
Applicants should be prepared to attend meetings systematically, to contribute actively to discussions in the group, to examine documents and to act as chairs or vice-chairs (and/or rapporteurs on ad hoc basis).
Currently, only 15 EU Member States have resettlement schemes, with three other Member States resettling on ad hoc basis.
The Commission's services may invite on ad hoc basis experts from outside the group with specific competence in a subject on the agenda to participate in the work of the group or sub-group.
The possibility for granting derogations on an ad hoc basis is provided for.
It shall also include any relevant information requested by the European Parliament on an ad-hoc basis.
Official controls may also be carried out on an ad hoc basis.
The Scientific Committee may seek expert advice as required on an ad hoc basis.
Specific SALW Troikas are also organised on an ad-hoc basis.
The Joint Council may decide to invite additional observers on an ad hoc basis.
Such opinions could also be confined to investigations on an ad hoc basis.
It has been amended only on an ad hoc basis.
Traffic-management measures are addressed on an ad hoc basis at various points in the directive.
European States reacted to a common challenge on an ad-hoc basis and with no consultation.
Specific evaluations of projects and programmes are also undertaken on an ad hoc basis, which provides an additional opportunity for in-depth critical analysis of operations.
The Commission shall ensure that the certifications and the CO2 savings attributed to individual vehicles are verified on an ad hoc-basis.
The Commission should have the possibility to verify on an ad hoc-basis the certified total savings for individual vehicles.
The CAB also organizes field inspections on an ad-hoc basis when needed as described in the TLAS Guidelines.
Mr President, while I accept the Rules of this House, we must also act on an ad hoc basis when a serious situation arises.

Alternatives:

on an ad-hoc basis
as needed
when necessary
informally
occasionally

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on an ad-hoc basis vs on ad-hoc basis

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