The phrase "a memo declaring" is correct and usable in written English.
You can use it when referring to a memorandum that announces or states something officially.
Example: "The company issued a memo declaring the new policy changes effective immediately."
Alternatives: "a memo stating" or "a memo announcing".
"Cormorants, gulls, pigeons, pelicans and other animals have fouled the area," Mayor Bob Filner wrote last month in a memo, declaring a state of emergency.
Sanea was a controlling boss — he liked to be called Sheikh Maan — and he strictly supervised communication, especially when it concerned the Gosaibis; in 2004, he issued a memo declaring that "all mail and or correspondence addressed to Uncle Suleiman or Saud al-Gosaibi should be forwarded to my office for my review first".
On September 25th, the Office of Legal Counsel issued a memo declaring that the President had inherent constitutional authority to take whatever military action he deemed necessary, not just in response to the September 11th attacks but also in the prevention of any future attacks from terrorist groups, whether they were linked to Al Qaeda or not.
On Monday, he made that clear when he issued a memo declaring a sweeping federal review of consent decrees, which places the future of pending reform in both Baltimore and Chicago in jeopardy.
Those that remain include a note about an April 3 poll showing Santorum leading Romney in his home state of Pennsylvania and a memo declaring that the media had its delegate math wrong.
He also drops other bombshells, such as the internal Citigroup memo declaring that the United States is no longer a democracy but is, rather, a plutocracy, where the richest one percent of the country is in charge of the rest of us peasants, and where government has been warped in the past 30 years to serve the rich.
Mr. Rumsfeld gave President Bush the legal advice that led to the president's famous memo declaring that the United States could, at his discretion, suspend the Geneva Conventions in the "global war on terror," and that prisoners with the newly minted designation of "unlawful combatants" were not entitled to the conventions' protections.
"Oftentimes the consumerist agenda may be a hidden one which should be disclosed," a once-secret tobacco industry memo declared, touting the industry's pending war on the Consumers Union.
"A decision to kill Crusader puts soldiers at risk," the memo declared.
More truth," the memo declares.
"Words matter," the Homeland Security memo declared.
