The phrase "and restrict the number" is correct and usable in written English.
It can be used when discussing limitations or controls on quantities in various contexts, such as policies, regulations, or guidelines.
Example: "The new policy aims to improve efficiency and restrict the number of unnecessary meetings."
Alternatives: "and limit the quantity" or "and control the amount".
The changes would disqualify runners after one false start instead of two, limit long jumpers, triple jumpers and throwers to four attempts rather than six and restrict the number of overall attempts in the high jump and pole vault.
The open-door policy of pope Francis and Merkel is meeting stubborn resistance in Hungary, Poland, the Czech Republic and Slovakia, while Austria has decided to erect border fences and restrict the number of asylum seekers this year to 37,500.
The changes – aimed at meeting the Conservatives' election pledge to cut migration by "tens of thousands" by 2015 – place a limit on the number of years non-European Union students can spend studying and restrict the number of hours of paid work they can do during and after their degrees.
Places contain a finite space and restrict the number of tokens that can be placed at any time [12, 13, 14].
Finally, an ANOVA FDR-value<10−3 was used to identify and restrict the number of differentially expressed probe sets (n = 9456).
The microarray data were normalized by the log scale robust multi-array analysis [31] and an ANOVA FDR-value of 10−3 (p-value<2.10−4) was used to identify and restrict the number of differentially expressed probe sets to 9456 (Table S1), which correspond to 6563 unique genes.
The historic drought, which almond growers are accused of contributing to, is forcing farmers to think about their management of groundwater and restrict the numbers of acres they use.
A restrictive policy allows family to visit during certain periods of the day and restricts the number of visitors per period.
The Hutus took power, massacred Tutsis, and restricted the number of university places or civil-service jobs they could hold.
Our only restriction is that the government regards any three year course as a full-time course and restricts the number of places we can offer.
