The phrase "advertisements is required" is not correct in written English.
It should be "advertisements are required" to agree in number with the plural noun "advertisements."
Example: "For this project, advertisements are required to promote the event effectively."
Alternatives: "ads are necessary" or "advertisements are needed."
Drug advertisements are required by law to include side effects and dangers, but that is not true of other advertisements.
(In the U.S. the disclosure of certain types of political campaign advertisements and contributions is required, but the requirement is easily circumvented).
Also, given that these positive synergies are strongest when the matching placement occurs in the program segment immediately prior to the focal advertisement, tight coordination is required to take full advantage of them.
For a printed newspaper or magazine, where sufficient space always can be purchased, the SEC has been clear that the legend is required in advertisement text no matter the cost.
The right to advertise -- an essential commercial right -- is destroyed if a manufacturer is required in every advertisement to disparage his product.
Such information is required in promotional material ("advertisements in newspapers, posters, brochures") used in marketing new cars.
The digital platforms hosting the advertisements would also be required to make "reasonable efforts" to ensure that the ads purchased were not paid for, directly or indirectly, by foreign nationals or foreign governments.
Until a ban is in place — and none is in sight — the A.M.A. says that advertisements for prescription drugs should be required to state the manufacturer's suggested retail price for those drugs.
And for their part, drug companies should be required in their advertisements to list the number of trials that they conducted and published for each and every drug.
In many places, paid political advertisements in newspapers or on television are required to include the name of a sponsor but the declared sponsor may be a "dummy" individual or organization whose actual backers remain undisclosed.
